ci: implement automated release

Related to bpmn-io/internal-docs#639

.github/workflows/POST_RELEASE.yml

@@ -1,8 +1,8 @@
 name: POST_RELEASE
 on:
-  push:
-    tags:
-      - 'v[0-9]+.*'
+  - workflow_call
+  - workflow_dispatch
+
 jobs:
   post-release:
 
@@ -64,8 +64,3 @@ jobs:
         BPMN_IO_EMAIL: ${{ secrets.BPMN_IO_EMAIL }}
         BPMN_IO_USERNAME: ${{ secrets.BPMN_IO_USERNAME }}
       run: tasks/stages/update-website
-  update-translations:
-    needs: post-release
-    secrets: inherit
-    if: ${{ needs.post-release.outputs.STABLE_RELEASE == 'true' }}
-    uses: ./.github/workflows/UPDATE_TRANSLATIONS.yml

.github/workflows/RELEASE.yml

@@ -0,0 +1,57 @@
+on:
+  push:
+    branches:
+      - develop
+name: release
+jobs:
+  release-please:
+    outputs:
+      release_created: ${{ steps.release.outputs.release_created }}
+    permissions:
+      contents: write # to create release commit (google-github-actions/release-please-action)
+      pull-requests: write # to create release PR (google-github-actions/release-please-action)
+
+    runs-on: ubuntu-latest
+    steps:
+      - uses: google-github-actions/release-please-action@v3
+        id: release
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          release-type: node
+          default-branch: master
+
+  publish:
+    needs: release-please
+    if: ${{ needs.release-please.outputs.release_created }}
+
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Use Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: 20
+          cache: 'npm'
+          registry-url: 'https://registry.npmjs.org'
+      - name: Install dependencies
+        run: npm ci
+      - run: npm publish
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+
+  post-release:
+    needs:
+      - release-please
+      - publish
+    if: ${{ needs.release-please.outputs.release_created }}
+    secrets: inherit
+    uses: ./.github/workflows/POST_RELEASE.yml
+
+  update-translations:
+    needs:
+      - release-please
+      - post-release
+    if: ${{ needs.release-please.outputs.release_created }} && ${{ needs.post-release.outputs.STABLE_RELEASE == 'true' }}
+    secrets: inherit
+    uses: ./.github/workflows/UPDATE_TRANSLATIONS.yml