Create release-notes automatically (#4)

* Create release-notes automatically

* Polish the CI configuration

Author: nakamura-to

.github/pr-labeler.yml

@@ -0,0 +1,11 @@
+chore: chore/*
+ci: ci/*
+dependencies: dependencies/*
+docs: docs/*
+feature: ['feature/*', 'feat/*']
+fix: fix/*
+perf: perf/*
+refactor: refactor/*
+security: security/*
+skip-changelog: ['release', 'working']
+test: test/*

.github/release-drafter.yml

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+name-template: 'v$RESOLVED_VERSION'
+tag-template: 'v$RESOLVED_VERSION'
+template: |
+  # What's Changed
+
+  $CHANGES
+categories:
+  - title: 'New Features'
+    labels:
+      - 'feat'
+      - 'feature'
+  - title: 'Bug Fixes'
+    labels:
+      - 'bug'
+      - 'fix'
+  - title: 'Maintenance'
+    label:
+      - 'ci'
+      - 'chore'
+      - 'perf'
+      - 'refactor'
+      - 'security'
+      - 'test'
+  - title: 'Documentation'
+    label: 'docs'
+  - title: 'Dependency Upgrades'
+    label: 'dependencies'
+exclude-labels:
+  - 'skip-changelog'
+version-resolver:
+  major:
+    labels:
+      - 'major'
+  minor:
+    labels:
+      - 'minor'
+      - 'feat'
+      - 'feature'
+  patch:
+    labels:
+      - 'patch'
+  default: patch

.github/workflows/ci.yml

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+name: Java CI with Maven
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    if: contains(github.event.head_commit.message, '[skip ci]') == false
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set up JDK 11
+        uses: actions/setup-java@v1
+        with:
+          java-version: 11
+
+      - name: Grant execute permission for mvnw
+        run: chmod +x mvnw
+
+      - name: Cache Maven packages
+        uses: actions/cache@v2
+        with:
+          path: ~/.m2
+          key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
+          restore-keys: ${{ runner.os }}-m2
+
+      - name: Build with Maven
+        run: ./mvnw -B package --file pom.xml
+
+      - name: Upload reports
+        if: failure()
+        uses: actions/upload-artifact@v2
+        with:
+          name: reports
+          path: deployment/target/surefire-reports
+
+      - name: Release Maven package
+        if: github.event_name == 'push'
+        uses: samuelmeuli/action-maven-publish@v1
+        with:
+          gpg_private_key: ${{ secrets.SIGNING_KEY }}
+          gpg_passphrase: ${{ secrets.SIGNING_PASSWORD }}
+          nexus_username: ${{ secrets.OSSRH_USERNAME }}
+          nexus_password: ${{ secrets.OSSRH_PASSWORD }}

.github/workflows/maven.yml

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+name: PR Labeler
+
+on:
+  pull_request:
+    types: [opened]
+
+jobs:
+  pr-labeler:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: TimonVS/pr-labeler-action@v3
+        with:
+          configuration-path: .github/pr-labeler.yml
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/pr-labeler.yml

@@ -0,0 +1,15 @@
+name: Release Drafter
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  update_release_draft:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: release-drafter/release-drafter@v5
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}