chore: add missing permissions for pull-requests in workflows

Author: torhakon

.github/workflows/ciStaticCodeValidation.yml

@@ -22,6 +22,7 @@ on:
         default: true
         required: false
         type: boolean
+permissions: {}
 jobs:
   validate:
     name: Static code validation

.github/workflows/on_push_main.yml

@@ -13,6 +13,7 @@ jobs:
       contents: write
       packages: write
       security-events: write
+      pull-requests: write
     secrets:
       SF_DEVHUB_URL: ${{ secrets.SF_DEVHUB_URL }}
       METRICS_KEYS: ${{ secrets.METRICS_KEYS }}