DEVX-121: fix: GiteaClient.set_repo_variable uses PUT instead of PATCH

src/devx/api_clients.py

@@ -391,15 +391,16 @@ class GiteaClient:
     def set_repo_variable(self, name: str, value: str) -> None:
         """Create or update a Gitea Actions repository variable (idempotent).
 
-        Tries PATCH first; if the variable doesn't exist (404), creates it
-        via POST.
+        Tries PUT first (update); if the variable doesn't exist (404),
+        creates it via POST. Gitea 1.26.x does not support PATCH for
+        action variables.
         """
         try:
-            self._request("PATCH", f"/actions/variables/{name}", json={"value": value})
+            self._request("PUT", f"/actions/variables/{name}", json={"value": value})
         except APIError as e:
             if e.status != 404:
                 raise
-            self._request("POST", "/actions/variables", json={"name": name, "value": value})
+            self._request("POST", f"/actions/variables/{name}", json={"value": value})
 
 
 class VikunjaClient: