fix: Repair deploy workflow YAML (indent heredoc)

.gitea/workflows/deploy.yml

@@ -48,10 +48,10 @@ jobs:
           CZDS_PASSWORD: ${{ secrets.CZDS_PASSWORD }}
         run: |
           python3 - <<'PY'
-import os
-from pathlib import Path
+          import os
+          from pathlib import Path
 
-env = {
+          env = {
             # Core
             "ENVIRONMENT": "production",
             "ENABLE_SCHEDULER": "true",
@@ -102,15 +102,15 @@ env = {
             # CZDS
             "CZDS_USERNAME": os.environ["CZDS_USERNAME"],
             "CZDS_PASSWORD": os.environ["CZDS_PASSWORD"],
-}
+          }
 
-lines = []
-for k, v in env.items():
+          lines = []
+          for k, v in env.items():
               if v is None:
                   continue
-    lines.append(f"{k}={v}")
+              lines.append(f\"{k}={v}\")
 
-Path("backend.env").write_text("\n".join(lines) + "\n")
+          Path(\"backend.env\").write_text(\"\\n\".join(lines) + \"\\n\")
 PY
 
       - name: Upload backend env to server