chore: update permissions in workflow files for consistency

Author: deandreamatias

.github/workflows/base-beta.yaml

@@ -13,15 +13,15 @@ on:
 
   workflow_dispatch:
 
-  permissions:
-    contents: read
 # This ensures that previous jobs for the PR are canceled when PR is updated
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
 jobs:
   build:
+    permissions:
+      contents: read
     uses: flutter-form-builder-ecosystem/.github/.github/workflows/minimal-quality.yaml@main
     with:
       codecov-name: flutter_form_builder

.github/workflows/base.yaml

@@ -11,8 +11,6 @@ on:
 
   workflow_dispatch:
 
-  permissions:
-    contents: read
 
 # This ensures that previous jobs for the PR are canceled when PR is updated
 concurrency:
@@ -21,6 +19,8 @@ concurrency:
 
 jobs:
   build:
+    permissions:
+      contents: read
     uses: flutter-form-builder-ecosystem/.github/.github/workflows/minimal-quality.yaml@main
     with:
       codecov-name: flutter_form_builder

.github/workflows/pr.yaml

@@ -7,10 +7,10 @@ on:
 jobs:
   validate-pr-title:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
     steps:
       - name: PR Conventional Commit Validation
-        permissions:
-          contents: read
         uses:  ytanikin/PRConventionalCommits@1.3.0
         with:
          task_types: '["feat","fix","docs","test","ci","refactor","perf","chore","revert"]'