test(protocol): Bridge foundry tests

[cyberhorsey]

Doesn't test release logic yet.

Also deleted the hardhat libs folder tests, as we shouldn't be testing libraries directly regardless I don't think, and the foundry tests will cover those lines still.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (major_protocol_upgrade_rebase@4f15527). Click here to learn what that means.
The diff coverage is n/a.

@@                       Coverage Diff                        @@
##             major_protocol_upgrade_rebase   #13634   +/-   ##
================================================================
  Coverage                                 ?   39.02%           
================================================================
  Files                                    ?      112           
  Lines                                    ?     3457           
  Branches                                 ?      404           
================================================================
  Hits                                     ?     1349           
  Misses                                   ?     2019           
  Partials                                 ?       89           

Flag	Coverage Δ		*Carryforward flag
bridge-ui	94.20% <0.00%> (?)		Carriedforward from f77b474
eventindexer	∅ <0.00%> (?)		Carriedforward from f77b474
protocol	0.00% <0.00%> (?)
relayer	62.42% <0.00%> (?)		Carriedforward from f77b474
ui	100.00% <0.00%> (?)		Carriedforward from f77b474

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

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