install heroku-cli before deploy step

Author: hollesse

.github/workflows/deploy-to-dev.yml

@@ -14,6 +14,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
+      - name: Install Heroku CLI
+        run: curl https://cli-assets.heroku.com/install.sh | sh
       - uses: akhileshns/heroku-deploy@v3.15.15
         with:
           heroku_api_key: ${{secrets.HEROKU_AUTH_TOKEN}}

.github/workflows/release.yml

@@ -39,6 +39,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
+      - name: Install Heroku CLI
+        run: curl https://cli-assets.heroku.com/install.sh | sh
       - uses: akhileshns/heroku-deploy@v3.15.15
         with:
           heroku_api_key: ${{secrets.HEROKU_AUTH_TOKEN}}