Bump codecov/codecov-action from 5.0.7 to 5.1.2 (#45)

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 5.0.7 to 5.1.2.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@015f24e...1e68e06)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci.yaml

@@ -62,7 +62,7 @@ jobs:
 
       - name: Upload coverage reports to Codecov
         if: ${{ matrix.go-version == 'go-latest' }}
-        uses: codecov/codecov-action@015f24e6818733317a2da2edd6290ab26238649a # v5.0.7
+        uses: codecov/codecov-action@1e68e06f1dbfde0e4cefc87efeba9e4643565303 # v5.1.2
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           slug: hardfinhq/go-date