Update actions/upload-artifact action to v7

Author: renovate[bot]

.github/workflows/ci-go.yaml

@@ -29,7 +29,7 @@ jobs:
       - name: Test with Go
         run: go test -v ./... -coverprofile cover.out
       - name: Upload Go test results
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: coverage
           path: cover.out