Disable caching in Go action in CI

[BooleanCat]

Please provide a brief description of the change.

Actions is spitting out warnings about caching not working because there's no go.sum file. This makes sense because there are no dependencies. To remove this noisy warning caching is disabled.

Which issue does this change relate to?

None.

Contribution checklist.

• [x] I have read and understood the CONTRIBUTING guidelines
• [x] My code is formatted (make check)
• [x] I have run tests (make test)
• [x] All commits in my PR conform to the commit hygiene section
• [x] I have added relevant tests
• [x] I have not added any dependencies

[codecov[bot]]

Codecov Report

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

Comparison is base (e2fead3) 100.00% compared to head (fe23ff2) 100.00%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #95 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 24 24 Lines 575 575 ========================================= Hits 575 575 ```

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