Automate GitHub Releases when new tags are pushed (#8626)

.github/release-drafter.yml

@@ -0,0 +1,13 @@
+# These will be overridden by the publish workflow and set to the new tag
+name-template: 'Next Release'
+tag-template: 'next'
+
+change-template: '- $TITLE @$AUTHOR (#$NUMBER)'
+change-title-escapes: '\<*_&' # You can add # and @ to disable mentions, and add ` to disable code blocks.
+
+template: |
+  ## Changes
+
+  $CHANGES  
+
+  See the [Changelog](https://docs.dask.org/en/stable/changelog.html) for more information.

.github/workflows/release-drafter.yml

@@ -0,0 +1,32 @@
+name: Release Drafter
+
+on:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: read
+
+jobs:
+  update_release_draft:
+    if: github.repository == 'dask/distributed'
+    permissions:
+      # Write permission is required to create a GitHub release
+      contents: write
+      pull-requests: read
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0  # Required to get tag history
+      - name: Check if release commit
+        id: check_release_commit
+        run: git describe --exact-match --tags $(git rev-parse HEAD)
+        continue-on-error: true
+      - uses: release-drafter/release-drafter@v6
+        if: steps.check_release_commit.outcome != 'success'
+        with:
+          disable-autolabeler: true
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/release-publish.yml

@@ -0,0 +1,33 @@
+name: Release Publisher
+
+on:
+  push:
+    tags:
+      - "*.*.*"
+
+permissions:
+  contents: read
+
+jobs:
+  publish_release:
+    if: github.repository == 'dask/distributed'
+    permissions:
+      # Write permission is required to publish a GitHub release
+      contents: write
+      pull-requests: read
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set version env
+        # Use a little bit of bash to extract the tag name from the GitHub ref
+        run: echo "RELEASE_VERSION=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
+      - uses: release-drafter/release-drafter@v5
+        with:
+          disable-autolabeler: true
+          # Override the Release name/tag/version with the actual tag name
+          name: ${{ env.RELEASE_VERSION }}
+          tag: ${{ env.RELEASE_VERSION }}
+          version: ${{ env.RELEASE_VERSION }}
+          # Publish the Release
+          publish: true
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}