[E2E] Dedicate the current E2E tests for master only (#21480)

.github/workflows/e2e-tests.yml → .github/workflows/e2e-master.yml

@@ -12,7 +12,7 @@ on:
 jobs:
 
   build:
-    runs-on: buildjet-2vcpu-ubuntu-2004
+    runs-on: ubuntu-20.04
     timeout-minutes: 25
     strategy:
       matrix:
@@ -38,7 +38,7 @@ jobs:
       uses: ./.github/actions/prepare-uberjar-artifact
 
   e2e-tests:
-    runs-on: buildjet-4vcpu-ubuntu-2004
+    runs-on: ubuntu-20.04
     timeout-minutes: 30
     needs: build
     name: e2e-tests-${{ matrix.folder }}-${{ matrix.edition }}