Update main.yml

Author: Jason2866

.github/workflows/main.yml

@@ -39,7 +39,7 @@ jobs:
         run: |
           make pack
       - name: Commit changed `get-platformio.py`
-        if: matrix.os == 'macos-latest' && matrix.python-version == '"3.13"'
+        if: matrix.os == 'ubuntu-latest' && matrix.python-version == '"3.12"'
         uses: stefanzweifel/git-auto-commit-action@v5
         with:
           commit_message: "Github Action: Updated `get-platformio.py`"