feat(protocol): let PlonkVerifier return keccak256("taiko")

[davidtaikocha]

No description provided.

[codecov]

Codecov Report

Merging #13277 (e1b1d72) into main (9cb1740) will decrease coverage by 0.05%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main   #13277      +/-   ##
==========================================
- Coverage   61.61%   61.56%   -0.05%     
==========================================
  Files         118      118              
  Lines        3478     3479       +1     
  Branches      491      491              
==========================================
- Hits         2143     2142       -1     
- Misses       1250     1253       +3     
+ Partials       85       84       -1     

Flag	Coverage Δ		*Carryforward flag
bridge-ui	94.52% <ø> (ø)		Carriedforward from 9cb1740
protocol	52.29% <100.00%> (-0.09%)	⬇️
relayer	64.71% <ø> (ø)		Carriedforward from 9cb1740
ui	100.00% <ø> (ø)		Carriedforward from 9cb1740

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

Impacted Files	Coverage Δ
packages/protocol/contracts/libs/LibZKP.sol	100.00% <100.00%> (ø)
...es/protocol/contracts/thirdparty/LibMerkleTrie.sol	83.13% <0.00%> (-7.23%)	⬇️
...ges/protocol/contracts/libs/LibAnchorSignature.sol	100.00% <0.00%> (+10.52%)	⬆️
...s/protocol/contracts/test/thirdparty/TestERC20.sol	100.00% <0.00%> (+100.00%)	⬆️

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