Avocado bot token in release workflow

It adds Avocado bot organization token to the release workflow instead of
personal token. This makes the release independent to one specific avocado
maintainer.

Signed-off-by: Jan Richter <jarichte@redhat.com>

.github/workflows/release.yml

@@ -40,6 +40,13 @@ jobs:
       URL: "https://readthedocs.org/api/v3/projects/${{ github.event.inputs.rtd_project }}"
 
     steps:
+      - name: Generate token
+        id: generate_token
+        uses: tibdex/github-app-token@021a2405c7f990db57f5eae5397423dcc554159c
+        with:
+          app_id: ${{ secrets.MR_AVOCADO_ID }}
+          installation_id: ${{ secrets.MR_AVOCADO_INSTALLATION_ID }}
+          private_key: ${{ secrets.MR_AVOCADO_PRIVATE_KEY }}
       - name: install required packages
         run:  dnf -y install rpmdevtools git python3-pip make
       - uses: actions/checkout@v3
@@ -59,7 +66,7 @@ jobs:
       - name: Push changes to github
         uses: ad-m/github-push-action@master
         with:
-          github_token: ${{ secrets.RELEASE_TOKEN }}
+          github_token: ${{ steps.generate_token.outputs.token }}
           branch: ${{ github.ref }}
       - name: Build wheel
         run: make -f Makefile.gh build-wheel check-wheel
@@ -104,7 +111,7 @@ jobs:
       - name: Upload binaries to release
         uses: svenstaro/upload-release-action@v2
         with:
-          repo_token: ${{ secrets.RELEASE_TOKEN }}
+          repo_token: ${{ steps.generate_token.outputs.token }}
           file: ${{ github.workspace }}/EGG_UPLOAD/avocado_framework*egg
           tag: ${{ github.event.inputs.version }}
           overwrite: true