add reference to test workflow file in staging and production workflows

Author: Veikkosuhonen

.github/workflows/production.yaml

@@ -5,6 +5,10 @@ on:
     types: [published]
 
 jobs:
+  test:
+    uses: ./.github/workflows/test.yml
+    secrets: inherit
+
   build-and-push:
     runs-on: ubuntu-latest
     needs: test

.github/workflows/staging.yaml

@@ -6,6 +6,10 @@ on:
       - main
 
 jobs:
+  test:
+    uses: ./.github/workflows/test.yml
+    secrets: inherit
+
   build-test-and-push:
     runs-on: ubuntu-latest
     needs: test