chore: add release workflows

.github/workflows/release-build.yml

@@ -0,0 +1,43 @@
+name: Build Release
+
+on:
+  workflow_run:
+    workflows: ["Generate Release Notes"]
+    types: [completed]
+
+env:
+  BUILD_FILES: "chancery/build/libs/*.jar"
+  JDK_VERSION: "21"
+  GRADLE_TASK: "build shadowJar --refresh-dependencies"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up JDK ${{ env.JDK_VERSION }}
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: ${{ env.JDK_VERSION }}
+
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v3
+
+      - name: Make gradlew executable
+        run: chmod +x ./gradlew
+
+      - name: Build with Gradle
+        run: ./gradlew ${{ env.GRADLE_TASK }}
+
+      - name: Update Release
+        uses: softprops/action-gh-release@v2
+        with:
+          files: ${{ env.BUILD_FILES }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/release-notes.yml

@@ -0,0 +1,40 @@
+name: Generate Release Notes
+
+on:
+  release:
+    types: [published]
+
+env:
+  PROJECT_NAME: ${{ github.event.repository.name }}
+  RELEASE_TAG: ${{ github.ref_name }}
+  RELEASE_BODY: ${{ github.event.release.body }}
+  COMMIT_URL: commit
+
+jobs:
+  generate-changelog:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Generate Changelog
+        uses: AXOLOTsh/action-generate-changelog@v1
+        id: generate_changelog
+        with:
+          release_tag: ${{ env.RELEASE_TAG }}
+          release_body: ${{ env.RELEASE_BODY }}
+          commit_url: ${{ env.COMMIT_URL }}
+
+      - name: Update Release
+        uses: softprops/action-gh-release@v2
+        with:
+          tag_name: ${{ env.RELEASE_TAG }}
+          name: ${{ env.PROJECT_NAME }} ${{ env.RELEASE_TAG }}
+          body_path: ${{ steps.generate_changelog.outputs.changelog_path }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}