add api key

Author: Mladen Rusev

.github/workflows/tests.yaml

@@ -106,7 +106,7 @@ jobs:
 
       - run: make -j test-e2e-gke
         env:
-          VEN_API_KEY: ${} # ven-tlspk.venafi.cloud
+          VEN_API_KEY: ${{ secrets.VEN_API_KEY_PULL }} # ven-tlspk.venafi.cloud
           VEN_API_KEY_PULL: ${{ secrets.VEN_API_KEY_PULL }}
           OCI_BASE: ttl.sh/veanfi-kubernetes-agent
           VEN_API_HOST: api.venafi.cloud