Add deployment workflow

.github/workflows/deployment.yml

@@ -0,0 +1,30 @@
+name: Deployment
+on:
+  push:
+    tags:
+      - v*
+  workflow_dispatch:
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '2.7'
+          bundler-cache: true
+        env:
+          BUNDLE_GITHUB__COM: ${{ secrets.BUNDLE_GITHUB__COM }}
+      - name: Update bundler
+        run: |
+          gem install bundler -v "$(grep -A 1 "BUNDLED WITH" Gemfile.lock | tail -n 1)"
+      - uses: miloserdow/capistrano-deploy@master
+        with:
+          target: production
+          deploy_key: ${{ secrets.DEPLOY_ENC_KEY }}
+          enc_rsa_key_val: ${{ secrets.DEPLOY_ENC_VAL }}
+        env:
+          SENTRY_API_TOKEN: ${{ secrets.SENTRY_API_TOKEN }}
+          SENTRY_ORGANIZATION: ${{ secrets.SENTRY_ORGANIZATION }}
+          SENTRY_PROJECT:  ${{ secrets.SENTRY_PROJECT }}