chore: bson/json comparison benchmarks

[tychoish]

I modified the #2974 benchmarks to include the same test but with BSON
encoding.

BSON is faster than JSON in most/many csaes, with much more stable
perofrmance patterns, though tthe larger globs-cases are curious, and
may be a sign that the test hits some larger limitation of the
hardware.

This could be interesting fodder--with tests run other than on my
laptop--for a blog post or similar about enconding impacts on
performance.

---------------------------------------------------------------------------------------------------------- benchmark: 24 tests -----------------------------------------------------------------------------------------------------------
Name (time in ms)                                      Min                     Max                    Mean                 StdDev                  Median                    IQR            Outliers     OPS            Rounds  Iterations
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test_bson_function[c16.r256]                      510.4455 (1.0)          709.4622 (1.0)          567.7784 (1.0)          80.4747 (1.0)          535.9142 (1.0)          62.7712 (1.0)           1;1  1.7613 (1.0)           5           1
test_json_function[c16.r256-read_json]          3,159.1614 (6.19)       6,474.4995 (9.13)       3,848.5652 (6.78)      1,468.4337 (18.25)      3,191.3783 (5.96)        896.9773 (14.29)         1;1  0.2598 (0.15)          5           1
test_json_function[c16.r256-read_ndjson]        3,239.7357 (6.35)       8,110.2017 (11.43)      5,439.2703 (9.58)      2,472.8914 (30.73)      4,463.3695 (8.33)      4,800.2773 (76.47)         2;0  0.1838 (0.10)          5           1

test_bson_function[c16.r512]                      579.2455 (1.13)       1,522.4248 (2.15)         859.2683 (1.51)        410.8683 (5.11)         601.0137 (1.12)        540.5734 (8.61)          1;0  1.1638 (0.66)          5           1
test_json_function[c16.r512-read_json]         12,946.2755 (25.36)     28,673.7928 (40.42)     16,488.0264 (29.04)     6,827.0157 (84.83)     13,616.5120 (25.41)     4,673.7290 (74.46)         1;1  0.0607 (0.03)          5           1
test_json_function[c16.r512-read_ndjson]       12,733.5076 (24.95)     24,246.5132 (34.18)     17,969.9877 (31.65)     4,966.2403 (61.71)     17,908.8948 (33.42)     8,817.5478 (140.47)        2;0  0.0556 (0.03)          5           1

test_bson_function[c32.r256]                    1,921.5829 (3.76)       2,442.6062 (3.44)       2,073.9255 (3.65)        216.3419 (2.69)       1,980.5387 (3.70)        245.4824 (3.91)          1;0  0.4822 (0.27)          5           1
test_json_function[c32.r256-read_json]         13,797.7979 (27.03)     16,052.3017 (22.63)     14,552.5215 (25.63)       917.1318 (11.40)     14,309.2267 (26.70)     1,200.4637 (19.12)         1;0  0.0687 (0.04)          5           1
test_json_function[c32.r256-read_ndjson]       12,411.8242 (24.32)     32,970.0620 (46.47)     21,950.0160 (38.66)     8,832.0592 (109.75)    18,016.6833 (33.62)    14,692.9570 (234.07)        2;0  0.0456 (0.03)          5           1

test_bson_function[c32.r512]                    2,181.5750 (4.27)       7,000.0344 (9.87)       4,531.6169 (7.98)      2,262.6077 (28.12)      4,306.0612 (8.03)      4,351.9662 (69.33)         2;0  0.2207 (0.13)          5           1
test_json_function[c32.r512-read_json]         53,522.8613 (104.86)    90,312.0904 (127.30)    62,884.7446 (110.76)   15,555.4531 (193.30)    57,240.7821 (106.81)   13,818.5718 (220.14)        1;1  0.0159 (0.01)          5           1
test_json_function[c32.r512-read_ndjson]       53,220.0279 (104.26)    61,396.9645 (86.54)     59,007.9780 (103.93)    3,323.5944 (41.30)     60,523.2753 (112.93)    3,054.5214 (48.66)         1;0  0.0169 (0.01)          5           1

test_bson_function[glob.n16]                    1,206.8886 (2.36)       5,805.5513 (8.18)       2,138.7193 (3.77)      2,049.8427 (25.47)      1,225.5290 (2.29)      1,156.5005 (18.42)         1;1  0.4676 (0.27)          5           1
test_json_function[glob.n16-read_json]         16,888.6769 (33.09)     25,854.9869 (36.44)     20,025.6336 (35.27)     3,483.2713 (43.28)     19,284.4107 (35.98)     3,835.3617 (61.10)         1;0  0.0499 (0.03)          5           1
test_json_function[glob.n16-read_ndjson]       14,361.7829 (28.14)     27,842.9034 (39.25)     18,084.3947 (31.85)     5,727.1944 (71.17)     14,969.5425 (27.93)     6,397.9288 (101.92)        1;0  0.0553 (0.03)          5           1

test_bson_function[glob.n64]                    4,511.0605 (8.84)       5,792.7155 (8.16)       5,011.1584 (8.83)        472.5563 (5.87)       4,892.1433 (9.13)        395.0379 (6.29)          2;1  0.1996 (0.11)          5           1
test_json_function[glob.n64-read_json]         34,398.9564 (67.39)     48,915.9772 (68.95)     41,650.4574 (73.36)     6,002.0668 (74.58)     40,901.4151 (76.32)    10,158.6490 (161.84)        2;0  0.0240 (0.01)          5           1
test_json_function[glob.n64-read_ndjson]       13,666.7455 (26.77)     46,893.1358 (66.10)     21,892.1260 (38.56)    14,293.3494 (177.61)    14,201.4302 (26.50)    13,511.0962 (215.24)        1;0  0.0457 (0.03)          5           1

test_bson_function[glob.n256]                  17,942.7219 (35.15)     21,417.1342 (30.19)     19,036.9317 (33.53)     1,440.5947 (17.90)     18,418.8785 (34.37)     1,836.9645 (29.26)         1;0  0.0525 (0.03)          5           1
test_json_function[glob.n256-read_json]       110,671.9929 (216.81)   125,233.4375 (176.52)   118,422.8545 (208.57)    5,688.4685 (70.69)    120,446.3032 (224.75)    8,176.9406 (130.27)        2;0  0.0084 (0.00)          5           1
test_json_function[glob.n256-read_ndjson]      14,976.3305 (29.34)     26,482.2308 (37.33)     19,886.8290 (35.03)     4,688.5536 (58.26)     21,014.2603 (39.21)     6,996.9872 (111.47)        2;0  0.0503 (0.03)          5           1

test_bson_function[glob.n512]                  35,058.7739 (68.68)     37,264.6268 (52.53)     35,736.1031 (62.94)       937.9202 (11.65)     35,214.9876 (65.71)     1,220.2517 (19.44)         1;0  0.0280 (0.02)          5           1
test_json_function[glob.n512-read_json]       187,815.8671 (367.95)   239,793.4055 (337.99)   213,641.4891 (376.28)   24,750.8322 (307.56)   215,358.7825 (401.85)   48,084.3203 (766.02)        2;0  0.0047 (0.00)          5           1
test_json_function[glob.n512-read_ndjson]      16,084.7495 (31.51)     44,574.1158 (62.83)     28,615.9287 (50.40)    10,704.3141 (133.01)    28,637.9175 (53.44)    13,887.8985 (221.25)        2;0  0.0349 (0.02)          5           1
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