feat(protocol): make gasUsed of L2 blocks available on L1

[dantaik]

TODO(document this)

[codecov]

Codecov Report

Merging #13440 (e84b674) into major_protocol_upgrade_rebase (6138b1f) will decrease coverage by 0.02%.
The diff coverage is 0.00%.

@@                        Coverage Diff                        @@
##           major_protocol_upgrade_rebase   #13440      +/-   ##
=================================================================
- Coverage                          39.96%   39.95%   -0.02%     
=================================================================
  Files                                113      113              
  Lines                               3393     3394       +1     
  Branches                             407      407              
=================================================================
  Hits                                1356     1356              
- Misses                              1949     1950       +1     
  Partials                              88       88              

Flag	Coverage Δ		*Carryforward flag
bridge-ui	94.67% <ø> (ø)		Carriedforward from dd1eb4f
protocol	0.00% <0.00%> (ø)
relayer	62.30% <ø> (ø)		Carriedforward from dd1eb4f
ui	100.00% <ø> (ø)		Carriedforward from dd1eb4f

*This pull request uses carry forward flags. Click here to find out more.

Impacted Files	Coverage Δ
packages/protocol/contracts/L1/libs/LibProving.sol	0.00% <0.00%> (ø)

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more