bump: update golang to 1.22

[TerryHowe]

What this PR does / why we need it:

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #1275

Please check the following list:

• Does the affected code have corresponding tests, e.g. unit test, E2E test?
• Does this change require a documentation update?
• Does this introduce breaking changes that would require an announcement or bumping the major version?
• Do all new files have an appropriate license header?

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[qweeah]

@TerryHowe oras-go fails 1.22 bump, this PR is pending on the merging of oras-project/oras-go#715

[wangxiaoxuan273]

We also need to update .github/workflows/build.yml

[TerryHowe]

.github/workflows/build.yml

updated

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.39%. Comparing base (c24ac15) to head (b0fbae8).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1282      +/-   ##
==========================================
- Coverage   82.30%   81.39%   -0.92%     
==========================================
  Files          83       84       +1     
  Lines        4036     4084      +48     
==========================================
+ Hits         3322     3324       +2     
- Misses        494      540      +46     
  Partials      220      220              

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[qweeah]

LGTM