fix: base64 invalid input

.gitlab-ci.yml

@@ -204,9 +204,9 @@ destroy-psc:
     EC_DNS_ZONE: $EC_DNS_ZONE
     GCP_SERVICE_ACCOUNT: $GCP_SA
   before_script:
-    - echo "$GCP_SERVICE_ACCOUNT" | base64 -di > gcp-sa.json
+    - echo "$GCP_SERVICE_ACCOUNT" > gcp-sa.json
     - ls -la
-    - echo "$GCP_SERVICE_ACCOUNT" | base64 -di > gcp-sa.json
+    - echo "$GCP_SERVICE_ACCOUNT" > gcp-sa.json
     - ls -la
     - gcloud auth activate-service-account --key-file gcp-sa.json
     - echo "Activate Service Account OK"