test self hosted runner (#2541)

* test self hosted runner

* update more docker builds with self hosted runner

* convert everything to runs-on (except web container)

.github/workflows/pr-python-checks.yml

@@ -7,7 +7,8 @@ on:
 
 jobs:
   mypy-check:
-    runs-on: ubuntu-latest
+    # See https://runs-on.com/runners/linux/
+    runs-on: [runs-on,runner=8cpu-linux-x64,"run-id=${{ github.run_id }}"]
 
     steps:
     - name: Checkout code