fix: add try-except around pull request creation to catch errors

aider_gitea/__init__.py

@@ -270,15 +270,19 @@ def push_changes(
     run_cmd(cmd, cwd)
 
     # Then create the PR with the aider label
-    pr_response = gitea_client.create_pull_request(
-        owner=repository_config.owner,
-        repo=repository_config.repo,
-        title=issue_title,
-        body=description,
-        head=branch_name,
-        base=repository_config.base_branch,
-        labels=['aider'],
-    )
+    try:
+        pr_response = gitea_client.create_pull_request(
+            owner=repository_config.owner,
+            repo=repository_config.repo,
+            title=issue_title,
+            body=description,
+            head=branch_name,
+            base=repository_config.base_branch,
+            labels=['aider'],
+        )
+    except Exception:
+        logger.exception('Failed to create pull request for issue %s', issue_number)
+        return IssueResolution(False)
 
     # Extract PR number and URL if available
     return IssueResolution(