Change Github Action permissions

Currently the commit-message-validator.yml Github Action raise an issue
when the commit message is improper:

    Resource not accessible by integration

Let's try if this would help.

Signed-off-by: Daniel Pawlik <[email protected]>

Author: danpawlik

.github/workflows/commit-message-validator.yml

@@ -1,20 +1,19 @@
 name: Check if commit message body is not too short
 
 on:
-  pull_request:
+  pull_request_target:
     types: [opened, synchronize, edited, reopened]
 
+permissions:
+  contents: read
+  pull-requests: write
+
 jobs:
   verify-body-length:
     runs-on: ubuntu-latest
     # set as non-voting for now.
     continue-on-error: true
 
-    permissions:
-      contents: write
-      pull-requests: write
-      repository-projects: write
-
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4