Update Go version to 1.22

[kirugan]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 83.33333% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 72.03%. Comparing base (8b790ec) to head (2b346ab).

Files	Patch %	Lines
l1/eth_subscriber.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1731      +/-   ##
==========================================
- Coverage   72.10%   72.03%   -0.08%     
==========================================
  Files          90       90              
  Lines        9698     9691       -7     
==========================================
- Hits         6993     6981      -12     
- Misses       2181     2185       +4     
- Partials      524      525       +1     

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[kirugan]

Can't merge it due to

 2024/03/06 08:53:57 Error running go tooling: err: exit status 1: stderr: go: downloading go1.22 (linux/amd64)
  go: download go1.22 for linux/amd64: toolchain not available

More info github/codeql#15647