chore(deps): update actions/create-github-app-token action to v2.0.6 (open-telemetry#235)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/prepare-release-branch.yml

@@ -63,7 +63,7 @@ jobs:
       - name: Use CLA approved github bot
         run: .github/scripts/use-cla-approved-github-bot.sh
 
-      - uses: actions/create-github-app-token@3ff1caaa28b64c9cc276ce0a02e2ff584f3900c5 # v2.0.2
+      - uses: actions/create-github-app-token@df432ceedc7162793a195dd1713ff69aefc7379e # v2.0.6
         id: otelbot-token
         with:
           app-id: ${{ vars.OTELBOT_APP_ID }}
@@ -111,7 +111,7 @@ jobs:
       - name: Use CLA approved github bot
         run: .github/scripts/use-cla-approved-github-bot.sh
 
-      - uses: actions/create-github-app-token@3ff1caaa28b64c9cc276ce0a02e2ff584f3900c5 # v2.0.2
+      - uses: actions/create-github-app-token@df432ceedc7162793a195dd1713ff69aefc7379e # v2.0.6
         id: otelbot-token
         with:
           app-id: ${{ vars.OTELBOT_APP_ID }}