[ADF-5546] Don't run forbidden labels job when cron runs e2es (#8632)

* [ADF-5546] Don't run forbidden labels job when cron runs e2es

* [ADF-5546] Correct wording

* [ADF-5546] Fix forbidden labels job condition

.github/workflows/cron-e2e.yml

@@ -70,4 +70,6 @@ jobs:
   run-e2e:
     name: run e2e
     uses: ./.github/workflows/pull-request.yml
+    with:
+      cron-run: true
     secrets: inherit

.github/workflows/pull-request.yml

@@ -13,6 +13,11 @@ on:
         required: false
         type: string
         default: false
+      cron-run:
+        description: 'disables jobs which should not run when cron runs e2es'
+        required: false
+        type: boolean
+        default: false
   pull_request:
     types: [opened, synchronize, reopened]
     branches:
@@ -450,6 +455,7 @@ jobs:
           deps: ${{ matrix.e2e-test.deps }}
 
   PR-forbidden-labels:
+    if: ${{ github.event.inputs.cron-run == '' || github.event.inputs.cron-run == 'false' }}
     runs-on: ubuntu-latest
     steps:
       - id: checkoutRepo