Update Check Action: OpenKNXproducer to 3.12.2 + Python 3.13

Author: cornelius-koepp

.github/workflows/openknx-ofm-check.yml

@@ -25,8 +25,8 @@ jobs:
   oam-build:
     runs-on: ubuntu-latest
     env:
-      PRODUCER_VERSION: 3.9.0
-      PRODUCER_CHECKSUM: 824704fcdf12c7dacf91596c58d8151cf5cddad6fa3e6fe98d6ba84853e53de2
+      PRODUCER_VERSION: 3.12.2
+      PRODUCER_CHECKSUM: ad8e6ba491849b401e01f237c427cd61643d1d4e8fb4b0c9f9dffc097506f0c2
       PRODUCER_URL: https://github.com/OpenKNX/OpenKNXproducer/releases/download/v${PRODUCER_VERSION}/OpenKNXproducer-${PRODUCER_VERSION}.zip
       PRODUCER_FILENAME: OpenKNXproducer-${PRODUCER_VERSION}.zip
 
@@ -119,7 +119,7 @@ jobs:
       - name: Install Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.8'
+          python-version: '3.13'
 
       - name: Install PlatformIO
         run: |