[Fix] OZ-Upgrade-Plugin + Solhint warnings

[kyzooghost]

This PR implements issue(s) #679

Addresses OpenZeppelin/openzeppelin-upgrades#1121

Checklist

• I wrote new tests for my new core changes.
• I have successfully ran tests, style checker and build against my new changes locally.
• I have informed the team of any breaking changes if there are any.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 68.46%. Comparing base (aa64956) to head (3d0077c).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main     #661   +/-   ##
=========================================
  Coverage     68.46%   68.46%           
  Complexity     1185     1185           
=========================================
  Files           323      323           
  Lines         13130    13130           
  Branches       1318     1318           
=========================================
  Hits           8989     8989           
  Misses         3590     3590           
  Partials        551      551           

Flag	Coverage Δ		*Carryforward flag
hardhat	98.52% <100.00%> (ø)
kotlin	66.11% <ø> (ø)		Carriedforward from b65e511

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

Files with missing lines	Coverage Δ
contracts/src/bridging/token/TokenBridge.sol	100.00% <100.00%> (ø)
contracts/src/messaging/l2/L2MessageService.sol	80.95% <100.00%> (ø)