Unit test: bump executor size (#13736)

Bump to 4x

Author: testlabauto

.github/workflows/test-unit.yml

@@ -33,7 +33,7 @@ permissions:
 jobs:
   unit-tests:
     name: unit
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-4x
     timeout-minutes: 40
     env:
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}