Install jq in the codecov workflow

This commit adds a new step to the codecov.yml workflow. This step installs 'jq', a command-line JSON processor, which might be necessary for the processing of test results or coverage

.forgejo/workflows/codecov.yml

@@ -35,6 +35,9 @@ jobs:
     - name: Run Tests
       run: |
         go test -v -shuffle=on -race --coverprofile=coverage.coverprofile --covermode=atomic ./...
+    - name: Install jq
+      run: |
+        sudo apt-get -y install jq; which jq
     - name: Upload coverage to Codecov
       uses: codecov/codecov-action@v3
       runs-on: ubuntu-latest