chore(all): update license

[dionysuzx]

if we want to go MIT route, this is how we can achieve it

[codecov]

Codecov Report

Merging #341 (95f0109) into main (4ef4df4) will increase coverage by 0.45%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #341      +/-   ##
==========================================
+ Coverage   63.68%   64.13%   +0.45%     
==========================================
  Files          88       83       -5     
  Lines        2489     2409      -80     
  Branches      283      268      -15     
==========================================
- Hits         1585     1545      -40     
+ Misses        831      792      -39     
+ Partials       73       72       -1     

Flag	Coverage Δ		*Carryforward flag
protocol	60.45% <100.00%> (+1.60%)	⬆️
relayer	68.80% <ø> (-0.13%)	⬇️	Carriedforward from 20c8304
ui	?

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

Impacted Files	Coverage Δ
...s/protocol/contracts/thirdparty/AddressManager.sol	100.00% <ø> (ø)
...protocol/contracts/thirdparty/ERC20Upgradeable.sol	50.60% <ø> (ø)
...es/protocol/contracts/thirdparty/LibBytesUtils.sol	68.75% <ø> (ø)
...es/protocol/contracts/thirdparty/LibMerkleTrie.sol	83.13% <ø> (-7.23%)	⬇️
...ges/protocol/contracts/thirdparty/LibRLPReader.sol	77.98% <ø> (ø)
...ges/protocol/contracts/thirdparty/LibRLPWriter.sol	90.69% <ø> (ø)
...tocol/contracts/thirdparty/LibSecureMerkleTrie.sol	100.00% <ø> (ø)
...ges/protocol/contracts/libs/LibAnchorSignature.sol	100.00% <100.00%> (ø)
...ackages/protocol/contracts/libs/LibUint512Math.sol	100.00% <100.00%> (ø)
... and 7 more

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