another try at fixing the esp32 port

Author: kdschlosser

.github/workflows/unix.yml

@@ -74,7 +74,7 @@ jobs:
 
   build_unix:
     if: ${{ github.event_name != 'pull_request' || github.repository != github.event.pull_request.head.repo.full_name }}
-    runs-on: self-hosted
+    runs-on: ubuntu-latest
 
     steps:
     - uses: actions/checkout@v4