Add workflow types to trigger on label or push events

Author: ChristianZaccaria

.github/workflows/dependabot-labeler.yaml

@@ -4,6 +4,7 @@ name: Dependabot Labeler
 
 on:
   pull_request:
+    types: [ labeled, synchronize, opened, reopened ]
 
 jobs:
     add-approve-lgtm-label:

.github/workflows/e2e_tests.yaml

@@ -2,6 +2,7 @@ name: e2e
 
 on:
   pull_request:
+    types: [ labeled, synchronize, opened, reopened ]
     branches:
       - main
       - 'release-*'

.github/workflows/guided_notebook_tests.yaml

@@ -2,6 +2,7 @@ name: Guided notebooks tests
 
 on:
   pull_request:
+    types: [ labeled, synchronize, opened, reopened ]
 
 concurrency:
   group: ${{ github.head_ref }}-${{ github.workflow }}

.github/workflows/ui_notebooks_test.yaml

@@ -2,6 +2,7 @@ name: UI notebooks tests
 
 on:
   pull_request:
+    types: [ labeled, synchronize, opened, reopened ]
 
 concurrency:
   group: ${{ github.head_ref }}-${{ github.workflow }}