Add release-drafter workflow for generating release notes (benfred#493)

Author: benfred

.github/release-drafter.yml

@@ -0,0 +1,38 @@
+categories:
+  - title: '⚠ Breaking Changes'
+    labels:
+      - 'breaking'
+  - title: '🚀 Features'
+    labels:
+      - 'feature'
+      - 'enhancement'
+  - title: '🐛 Bug Fixes'
+    labels:
+      - 'fix'
+      - 'bugfix'
+      - 'bug'
+  - title: '📄 Documentation'
+    labels:
+      - 'documentation'
+  - title: '🧰 Maintenance'
+    label: 
+      - 'chore'
+      - 'ci'
+
+change-template: '- $TITLE @$AUTHOR (#$NUMBER)'
+change-title-escapes: '\<*_&' # You can add # and @ to disable mentions, and add ` to disable code blocks.
+version-resolver:
+  major:
+    labels:
+      - 'major'
+  minor:
+    labels:
+      - 'minor'
+  patch:
+    labels:
+      - 'patch'
+  default: patch
+template: |
+  ## Changes
+
+  $CHANGES

.github/workflows/release-drafter.yml

@@ -0,0 +1,16 @@
+# draft release notes with https://github.com/release-drafter/release-drafter
+name: Release Drafter
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  update_release_draft:
+    runs-on: ubuntu-latest
+    steps:
+      # Drafts your next Release notes as Pull Requests are merged into "master"
+      - uses: release-drafter/release-drafter@v5
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

CHANGELOG.md

@@ -1,3 +1,5 @@
+# Release notes are now being hosted in Github Releases: https://github.com/benfred/py-spy/releases
+
 ## v0.3.11
 
 * Update dependencies [#463](https://github.com/benfred/py-spy/pull/463), [#457](https://github.com/benfred/py-spy/pull/463)