Github actions on kubernetes runners (#1861)

* Change toolchain path and runner tag
* fix check_submdules.yml
* try to fix errors
* create .ssh directory
* fix toolchain path
* add empty line for test
* testing 3 k8s nodes speed
* Test speed again
* change tag, move reindex job
* bring reindex.yml back
* fix build.yml
* fix reindex.yml

Co-authored-by: あく <alleteam@gmail.com>

.github/workflows/lint_python.yml

@@ -26,4 +26,4 @@ jobs:
           ref: ${{ github.event.pull_request.head.sha }}
 
       - name: 'Check code formatting'
-        run: SET_GH_OUTPUT=1 FBT_TOOLCHAIN_PATH=/opt ./fbt lint_py
+        run: SET_GH_OUTPUT=1 FBT_TOOLCHAIN_PATH=/runner/_work ./fbt lint_py