Update charm libraries

[github-actions]

Automated action to fetch latest version of charm libraries. The branch of this PR
will be wiped during the next check. Unless you really know what you're doing, you
most likely don't want to push any commits to this branch.

[github-actions]

Test coverage for 21f4fe4

Name                Stmts   Miss Branch BrPart  Cover   Missing
---------------------------------------------------------------
src/charm.py          530     41    172     31    89%   189-192, 356-357, 557, 588, 594, 637, 672-673, 724-731, 736, 838->843, 842, 844, 849-850, 910, 928, 935, 1025, 1034, 1046, 1067, 1076, 1095, 1099, 1128, 1181, 1313, 1335, 1342->1344, 1387->exit, 1399, 1415, 1452, 1461-1462
src/cos.py             15      0      0      0   100%
src/exceptions.py      17      1      2      1    89%   41
src/types_.py          16      0      0      0   100%
---------------------------------------------------------------
TOTAL                 578     42    174     32    90%

Static code analysis report

Run started:2023-11-02 02:37:12.978264

Test results:
  No issues identified.

Code scanned:
  Total lines of code: 4294
  Total lines skipped (#nosec): 1
  Total potential issues skipped due to specifically being disabled (e.g., #nosec BXXX): 0

Run metrics:
  Total issues (by severity):
  	Undefined: 0
  	Low: 0
  	Medium: 0
  	High: 0
  Total issues (by confidence):
  	Undefined: 0
  	Low: 0
  	Medium: 0
  	High: 0
Files skipped (0):