Update token fetcher

Signed-off-by: bakhtin <[email protected]>

.github/workflows/release.yaml

@@ -29,19 +29,12 @@ jobs:
       #   run: |
       #     helm repo add bitnami https://charts.bitnami.com/bitnami
 
-      - name: Generate JWT and token
-        id: generate-github-app-tokens
-        uses: jamestrousdale/github-app-jwt-token@0.1.4
+      - name: Retrieve GH app token
+        id: generate-github-app-token
+        uses: getsentry/action-github-app-token@v2
         with:
-          app-id: ${{ secrets.CHART_UPDATER_APP_ID }}
-          private-key: ${{ secrets.CHART_UPDATER_APP_KEY }}
-
-      - name: Set environment from action output
-        run: |
-          {
-            echo "GITHUB_APP_JWT=${{ steps.generate-github-app-tokens.outputs.jwt }}"
-            echo "GITHUB_APP_ACCESS_TOKEN=${{ steps.generate-github-app-tokens.outputs.access-token }}"
-          } >> ${GITHUB_ENV}
+          app_id: ${{ secrets.CHART_UPDATER_APP_ID }}
+          private_key: ${{ secrets.CHART_UPDATER_APP_KEY }}
 
       - name: Make changes
         run: |
@@ -50,7 +43,7 @@ jobs:
       - name: Commit & Push changes
         uses: actions-js/push@master
         with:
-          github_token: ${{ env.GITHUB_APP_ACCESS_TOKEN }}
+          github_token: ${{ steps.generate-github-app-token.outputs.token }}
           message: Test gh-pages
           branch: gh-pages-test