Update github actions (#7)

.github/release-drafter.yml

@@ -0,0 +1,34 @@
+name-template: 'v$RESOLVED_VERSION 🌈'
+tag-template: 'v$RESOLVED_VERSION'
+categories:
+  - title: '🚀 Features'
+    labels:
+      - 'feature'
+      - 'enhancement'
+  - title: '🐛 Bug Fixes'
+    labels:
+      - 'fix'
+      - 'bugfix'
+      - 'bug'
+  - title: '🧰 Maintenance'
+    labels:
+      - 'chore'
+      - 'dependencies'
+change-template: '- $TITLE @$AUTHOR (#$NUMBER)'
+version-resolver:
+  major:
+    labels:
+      - 'major'
+  minor:
+    labels:
+      - 'minor'
+  patch:
+    labels:
+      - 'patch'
+  default: patch
+exclude-labels:
+  - 'skip-changelog'
+template: |
+  ## Changes
+
+  $CHANGES

.github/stale.yaml

@@ -0,0 +1,17 @@
+# Number of days of inactivity before an issue becomes stale
+daysUntilStale: 60
+# Number of days of inactivity before a stale issue is closed
+daysUntilClose: 7
+# Issues with these labels will never be considered stale
+exemptLabels:
+  - pinned
+  - security
+# Label to use when marking an issue as stale
+staleLabel: wontfix
+# Comment to post when marking an issue as stale. Set to `false` to disable
+markComment: >
+  This issue has been automatically marked as stale because it has not had
+  recent activity. It will be closed if no further activity occurs. Thank you
+  for your contributions.
+# Comment to post when closing a stale issue. Set to `false` to disable
+closeComment: false

.github/workflows/build-maven.yml

@@ -0,0 +1,23 @@
+name: maven-build
+
+on:
+  push:
+    branches: '*'
+  pull_request:
+    branches: '*'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        java: [ 8, 11, 14 ]
+    steps:
+      - uses: kamiazya/setup-graphviz@v1
+      - uses: actions/checkout@v2
+      - name: setup-jdk-${{ matrix.java }}
+        uses: actions/setup-java@v1
+        with:
+          java-version: ${{ matrix.java }}
+      - name: build-jar
+        run: mvn -B install

.github/workflows/deploy-sonatype.yml

@@ -1,18 +1,20 @@
-name: Deploy to Sonatype Nexus
+name: sonatype-deploy
 
 on:
-  release:
-    types: [created]
+  push:
+    tags:
+      - "v*"
 
 jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
+      - uses: kamiazya/setup-graphviz@v1
       - uses: actions/checkout@v2
-      - name: Set up JDK 1.8
+      - name: Set up JDK
         uses: actions/setup-java@v1
         with:
-          java-version: 1.8
+          java-version: 8
       - name: Build with Maven
         run: mvn -B install
       - name: Nexus Repo Publish

.github/workflows/draft-release.yml

@@ -0,0 +1,14 @@
+name: draft-release
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  update_draft_release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: release-drafter/release-drafter@v5.11.0
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/maven-build.yml

@@ -1,25 +0,0 @@
-# This workflow will build a Java project with Maven
-# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-maven
-
-name: Java CI with Maven
-
-on:
-  push:
-    branches: '*'
-  pull_request:
-    branches: '*'
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        java: [ 8, 11, 13, 14 ]
-    steps:
-      - uses: actions/checkout@v2
-      - name: Set up JDK ${{ matrix.java }}
-        uses: actions/setup-java@v1
-        with:
-          java-version: ${{ matrix.java }}
-      - name: Build with Maven
-        run: mvn -B install