chore(ci): use 'with.go-version-file' in actions/setup-go (#3282)

This simplifies managing the Go version used in CI, as it will
only require updating the `go.mod` file on a version upgrade.

.github/workflows/code-coverage.yml

@@ -18,7 +18,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v4
       with:
-        go-version: '1.21'
+        go-version-file: 'go.mod'
         check-latest: true
       id: go
     - name: Run Tests