:bug: Update go version checker

[tmshort]

• Handle new files (old version is empty)
• Handle the case where .0 patch is added/removed

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 38.23%. Comparing base (b30eb4a) to head (529f305). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #458 +/- ## ======================================= Coverage 38.23% 38.23% ======================================= Files 15 15 Lines 1224 1224 ======================================= Hits 468 468 Misses 706 706 Partials 50 50 ```

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