Add release drafter for releases

Author: essential-randomness

.github/release-drafter.yml

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+name-template: "v$NEXT_MAJOR_VERSION.$NEXT_MINOR_VERSION.$NEXT_PATCH_VERSION"
+tag-template: "v$NEXT_MAJOR_VERSION.$NEXT_MINOR_VERSION.$NEXT_PATCH_VERSION"
+
+exclude-labels:
+  - skip-release
+
+categories:
+  - title: "🌟 New Features"
+    title-regex: "/(Add|Adds|Create|New|Support|Implement)/i"
+  - title: "🔧 Fixed"
+    title-regex: "/(fix|fixed)/i"
+  - title: "📖 Docs"
+    title-regex: "/(Doc|Docs)/i"
+  - title: "🧹 Tidying Up"
+    title-regex: "/(Clean|Update|Remove|Refactor|Redownload)/i"
+  - title: "🎙️ Testing testing testing"
+    title-regex: "/(test|testing)/i"
+
+change-template: "- $TITLE (#$NUMBER) @$AUTHOR"
+change-title-escapes: '\<*_&'
+
+template: |
+  ## Changes in this Release
+
+  $CHANGES

.github/workflows/release-drafter.yml

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+name: Release Drafter
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    types: [opened, reopened, synchronize]
+
+permissions:
+  contents: read
+  pull-requests: read
+
+jobs:
+  update_release_draft:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pull-requests: read
+    steps:
+      - uses: release-drafter/release-drafter@v6
+        with:
+          config-name: release-drafter.yml
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}