Add PR labeler and release drafter GitHub Actions

Signed-off-by: Dan Yeaw <dan@yeaw.me>

.github/pr-labeler.yml

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+feature: ['feature/*', 'feat/*']
+fix: fix/*
+chore: chore/*
+skip-changelog: ['sourcery/*', 'dependabot/*']

.github/release-drafter.yml

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+name-template: 'Version $NEXT_PATCH_VERSION - Summary Here🌈'
+tag-template: 'v$NEXT_PATCH_VERSION'
+exclude-labels:
+  - 'skip-changelog'
+categories:
+  - title: '🚀 Features'
+    labels:
+      - 'feature'
+      - 'enhancement'
+  - title: '🐛 Bug Fixes'
+    labels:
+      - 'fix'
+      - 'bugfix'
+      - 'bug'
+  - title: '🧰 Maintenance'
+    label: 'chore'
+change-template: '- $TITLE @$AUTHOR (#$NUMBER)'
+template: |
+  ## Changes
+
+  $CHANGES
+
+  Thanks again to $CONTRIBUTORS! 🎉
+no-changes-template: 'Changes are coming soon 😎'
+replacers:
+  - search: '(?:and )?@dependabot(?:\[bot\])?,?'
+    replace: ''
+  - search: '(?:and )?@sourcery-ai-bot(?:\[bot\])?,?'
+    replace: ''
+  - search: '(?:and )?@allcontributors(?:\[bot\])?,?'
+    replace: ''

.github/workflows/pr-labeler.yml

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+name: PR Labeler
+on:
+  pull_request:
+    types: [opened]
+
+jobs:
+  pr-labeler:
+    runs-on: ubuntu-latest
+    if: "!contains(github.event.head_commit.message, 'skip ci')"
+    steps:
+      - uses: TimonVS/pr-labeler-action@v3
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/release-drafter.yml

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+name: Release Drafter
+
+on:
+  push:
+    branches: master
+
+jobs:
+  update-release-draft:
+    runs-on: ubuntu-latest
+    if: "!contains(github.event.head_commit.message, 'skip ci')"
+    steps:
+      # Drafts your next Release notes as Pull Requests are merged into "master"
+      - uses: toolmantim/release-drafter@v5.11.0
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}