feat(GasService): estimateGasFee and payGas

[re1ro]

• AxelarGasService: adding updateGasInfo and estimateGasFee method for on-chain gas estimation
• AxelarGasService: adding consolidated payGas method with estimation
• Depends on release feat(GasEstimate): new base contract for gas estimation axelar-gmp-sdk-solidity#133
• Depends on release feat(GasEstimation): adding support for express fee axelar-gmp-sdk-solidity#146
• Test coverage

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 92.85714% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 97.57%. Comparing base (7c83db9) to head (c82fb4f).

Files	Patch %	Lines
contracts/gas-service/AxelarGasService.sol	92.85%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #273      +/-   ##
==========================================
- Coverage   97.70%   97.57%   -0.14%     
==========================================
  Files          20       20              
  Lines         480      494      +14     
  Branches      116      120       +4     
==========================================
+ Hits          469      482      +13     
  Misses          3        3              
- Partials        8        9       +1     

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[milapsheth]

lint action failing