Fix missing token error in GitHub Actions (#6409)

Fixes issues where forked repositories had failing pipelines.

Author: maneesht

.github/workflows/assign-tech-writers.yml

@@ -33,4 +33,9 @@ jobs:
       if: ${{steps.check-doc-changes.outputs.DOC_CHANGED == 'true'}}
       with:
         labels: doc-changes
-        github_token: ${{ secrets.OSS_BOT_GITHUB_TOKEN }}
+        github_token: ${{ github.token }}
+    - name: assign techwriters to PR
+      if: ${{steps.check-doc-changes.outputs.DOC_CHANGED == 'true'}}
+      uses: kentaro-m/[email protected]
+      with:
+        configuration-path: ".github/auto_assign.yml"

.github/workflows/label-doc-changes.yml

@@ -7,13 +7,15 @@ jobs:
     name: Update API reports
     runs-on: ubuntu-latest
 
+    permissions:
+      contents: write
     steps:
     - name: Checkout Repo
       uses: actions/checkout@master
       with:
         # checkout HEAD commit instead of merge commit
         ref: ${{ github.event.pull_request.head.sha }}
-        token: ${{ secrets.OSS_BOT_GITHUB_TOKEN }}
+        token: ${{ github.token }}
     - name: Set up Node (14)
       uses: actions/setup-node@v2
       with: