Start helm install tests on PR (#1002)

* Start helm install tests on PR

* Fix

* Revert

.github/workflows/pull-build-keb-images.yaml → .github/workflows/pull-build-and-test-images.yaml

@@ -70,3 +70,13 @@ jobs:
          dockerfile: Dockerfile.subaccountsync
          context: .
          build-args: BIN=subaccount-sync
+
+   run-install-keb-chart-tests:
+      permissions:
+         contents: read
+      needs: [kyma-environment-broker-image, archiver-image, environments-cleanup-image, deprovision-retrigger-image, expirator-image, runtime-reconciler-image, subaccount-cleanup-image, subaccount-sync-image]
+      uses: "./.github/workflows/run-keb-chart-install-tests-reusable.yaml"
+      if: ${{ !github.event.pull_request.draft }}
+      with:
+         last-k3s-versions: 3
+         release: "false"