Bump go to v1.22.3 in ci

[dashpole]

Fixes the lint failure: https://github.com/GoogleCloudPlatform/opentelemetry-operations-go/actions/runs/8996115363/job/24712113944?pr=848

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 62.61%. Comparing base (4caace7) to head (3f7e441).
Report is 15 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #849      +/-   ##
==========================================
+ Coverage   61.03%   62.61%   +1.58%     
==========================================
  Files          56       57       +1     
  Lines        5903     4917     -986     
==========================================
- Hits         3603     3079     -524     
+ Misses       2143     1679     -464     
- Partials      157      159       +2     

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