fix: base64 invalid input

.gitlab-ci.yml

@@ -204,7 +204,11 @@ destroy-psc:
     EC_DNS_ZONE: $EC_DNS_ZONE
     GCP_SERVICE_ACCOUNT: $GCP_SA
   before_script:
-    - echo "$GCP_SERVICE_ACCOUNT" > gcp-sa.json
+    - echo $GCP_SERVICE_ACCOUNT > gcp-sa.json
+    - ls -la
+    - echo ${GCP_SERVICE_ACCOUNT} > gcp-sa.json
+    - ls -la
+    - echo ${GCP_SA} > gcp-sa.json
     - ls -la
     - echo "$GCP_SERVICE_ACCOUNT" > gcp-sa.json
     - ls -la