Add a workflow for building nightly releases (#1689)

.github/settings.yml

@@ -215,6 +215,7 @@ branches:
           - "Build and Test (ubuntu-18.04)"
           - "Build and Test (windows-latest)"
           - "Docs Check"
+          - "Changelog Check"
           - "Rust Check"
           - "Rust Lint"
           - "Rust Test Native (macOS-latest)"

.github/workflows/docs.yml

@@ -27,3 +27,31 @@ jobs:
         run: npm install
       - name: Check Docs
         run: npx prettier --check .
+
+  changelog-check:
+    name: Changelog Check
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    if: ${{ github.event_name == 'pull_request' }}
+    steps:
+      - name: Checkout Sources
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Install Node
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ env.nodeVersion }}
+      - name: Install Dependencies
+        shell: bash
+        working-directory: tools/ci/nightly
+        run: |
+          npm install
+      - name: Check If Changelog Was Modified
+        shell: bash
+        run: |
+          node tools/ci/check-changelog.js RELEASES.md ${{ github.event.pull_request.base.sha }}
+      - name: Verify That Changelog Format Is Correct
+        shell: bash
+        run: |
+          node tools/ci/nightly/extract-release-notes.js RELEASES.md release_notes.md