Update actions (#5978)

Signed-off-by: Knative Automation <automation@knative.team>

Author: knative-automation

.github/workflows/knative-go-test.yaml

@@ -15,3 +15,5 @@ on:
 jobs:
   test:
     uses: knative/actions/.github/workflows/reusable-go-test.yaml@main
+    secrets:
+      CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}