fix: base64 invalid input

.gitlab-ci.yml

@@ -204,8 +204,8 @@ destroy-psc:
     EC_DNS_ZONE: $EC_DNS_ZONE
   before_script:
     - echo "$GCP_SA"
-    - echo "${GCP_SA}"
-    - echo "$GCP_SA" | base64 -di > gcp-sa.json
+    - echo "toto"
+    - echo "${GCP_SA}" | base64 -di > gcp-sa.json
     - cat gcp-sa.json
     - gcloud auth activate-service-account --key-file gcp-sa.json
     - echo "Activate Service Account OK"