Update actions/create-github-app-token action to v2

Author: renovate-rancher[bot]

.github/workflows/release-charts.yaml

@@ -41,7 +41,7 @@ jobs:
             secret/data/github/repo/${{ github.repository }}/github/app-credentials privateKey | PRIVATE_KEY
 
       # Fetch github token just for the charts repository
-      - uses: actions/create-github-app-token@v1
+      - uses: actions/create-github-app-token@3ff1caaa28b64c9cc276ce0a02e2ff584f3900c5 # v2
         id: app-token
         with:
           app-id: ${{ env.APP_ID }}

.github/workflows/release-rancher.yaml

@@ -44,7 +44,7 @@ jobs:
             secret/data/github/repo/${{ github.repository }}/github/app-credentials privateKey | PRIVATE_KEY
 
       # Fetch github token just for the rancher repository
-      - uses: actions/create-github-app-token@v1
+      - uses: actions/create-github-app-token@3ff1caaa28b64c9cc276ce0a02e2ff584f3900c5 # v2
         id: app-token
         with:
           app-id: ${{ env.APP_ID }}

.github/workflows/sync-deps.yaml

@@ -33,7 +33,7 @@ jobs:
             secret/data/github/repo/${{ github.repository }}/github/app-credentials privateKey | PRIVATE_KEY
 
       # Fetch github token just for the webhook repository
-      - uses: actions/create-github-app-token@v1
+      - uses: actions/create-github-app-token@3ff1caaa28b64c9cc276ce0a02e2ff584f3900c5 # v2
         id: app-token
         with:
           app-id: ${{ env.APP_ID }}