Remove Python 3.9 and add 3.13

Author: Jason2866

.github/workflows/main.yml

@@ -11,7 +11,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ["3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
@@ -39,7 +39,7 @@ jobs:
         run: |
           make pack
       - name: Commit changed `get-platformio.py`
-        if: matrix.os == 'macos-latest' && matrix.python-version == '"3.12"'
+        if: matrix.os == 'macos-latest' && matrix.python-version == '"3.13"'
         uses: stefanzweifel/git-auto-commit-action@v5
         with:
           commit_message: "Github Action: Updated `get-platformio.py`"