[GA] pull_request (#2881)

### Changes

<!--- What was changed (briefly), how to reproduce (if applicable), what
the reviewers should focus on -->

### Reason for changes

<!--- Why should the change be applied -->

### Related tickets

<!--- Post the numerical ID of the ticket, if available -->

### Tests

<!--- How was the correctness of changes tested and whether new tests
were added -->

.github/workflows/api_changes_check.yml

@@ -2,7 +2,7 @@ name: API changes check
 permissions: read-all
 
 on:
-  pull_request_target:
+  pull_request:
     branches:
       - develop
 

.github/workflows/labeler.yml

@@ -1,7 +1,7 @@
 name: "Pull Request Labeler"
 permissions: read-all
 
-on: [pull_request_target]
+on: [pull_request]
 
 jobs:
   set-label:

.github/workflows/post_pr_merge.yml

@@ -11,7 +11,7 @@ name: Post-PR merge actions
 permissions: read-all
 
 on:
-  pull_request_target:
+  pull_request:
     branches:
       - develop
     types: