Pin old version that supports armv7

Author: loganmarchione

.github/workflows/prometheus_node_exporter.yml

@@ -26,7 +26,7 @@ jobs:
           configpath: prometheus_node_exporter/config.json
       - name: Publish
         if: ${{ steps.check.outputs.status == '404' }}
-        uses: home-assistant/builder@master
+        uses: home-assistant/builder@2025.09.0
         with:
           args: |
             --aarch64 --amd64 --armv7 \