[deps]: Update actions/create-github-app-token action to v3 (#261)

Author: renovate[bot]

.github/workflows/fdroid.yml

@@ -54,7 +54,7 @@ jobs:
             github-gpg-private-key-passphrase
 
       - name: Generate GH App token
-        uses: actions/create-github-app-token@a8d616148505b5069dccd32f177bb87d7f39123b # v2.1.1
+        uses: actions/create-github-app-token@f8d387b68d61c58ab83c6c016672934102569859 # v3.0.0
         id: app-token
         with:
           app-id: ${{ steps.get-kv-secrets.outputs.BW-GHAPP-ID }}