Addressing GitHub Access Permission Changes (https://docs.opensource.m… (#11805)

* Addressing Unity Access Permission Changes (https://docs.opensource.microsoft.com/github/apps/permission-changes/)

* Changing premissions to "contents"

Author: AMollis

.github/workflows/docs_mrtk2.yaml

@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [ "main" ]
 
+permissions:
+  contents: read
+
 jobs:
   validation:
     runs-on: windows-latest

.github/workflows/issue_labeler.yaml

@@ -1,8 +1,12 @@
 name: "Issue Labeling"
-on:
+on:g
   issues:
     types: [opened, edited]
 
+permissions:
+  contents: read
+  issues: write
+
 jobs:
   label-issue:
     runs-on: ubuntu-latest

.github/workflows/validation_mrtk2.yaml

@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [ "main" ]
 
+permissions:
+  contents: read
+
 jobs:
   validation:
     runs-on: windows-latest