ci(release): adopt release-please v4 for automated releases (#60)

Author: one-ea

.github/workflows/release-please.yml

@@ -0,0 +1,21 @@
+name: release-please
+
+on:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: write
+  pull-requests: write
+  issues: write
+
+jobs:
+  release-please:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: googleapis/release-please-action@v4
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          config-file: release-please-config.json
+          manifest-file: .release-please-manifest.json

.release-please-manifest.json

@@ -0,0 +1,3 @@
+{
+  ".": "2.3.2"
+}

release-please-config.json

@@ -0,0 +1,38 @@
+{
+  "$schema": "https://raw.githubusercontent.com/googleapis/release-please/main/schemas/config.json",
+  "release-type": "node",
+  "include-v-in-tag": true,
+  "include-component-in-tag": false,
+  "separate-pull-requests": false,
+  "pull-request-title-pattern": "chore(release): v${version}",
+  "changelog-sections": [
+    { "type": "feat", "section": "✨ Features" },
+    { "type": "fix", "section": "🐛 Bug Fixes" },
+    { "type": "perf", "section": "⚡ Performance" },
+    { "type": "refactor", "section": "♻️ Refactoring" },
+    { "type": "deps", "section": "📦 Dependencies" },
+    { "type": "docs", "section": "📚 Documentation", "hidden": false },
+    { "type": "build", "section": "🛠️ Build System", "hidden": true },
+    { "type": "ci", "section": "🤖 CI", "hidden": true },
+    { "type": "chore", "section": "🧹 Chores", "hidden": true },
+    { "type": "style", "section": "💎 Style", "hidden": true },
+    { "type": "test", "section": "🧪 Tests", "hidden": true }
+  ],
+  "packages": {
+    ".": {
+      "package-name": "monolith",
+      "extra-files": [
+        {
+          "type": "json",
+          "path": "client/package.json",
+          "jsonpath": "$.version"
+        },
+        {
+          "type": "json",
+          "path": "server/package.json",
+          "jsonpath": "$.version"
+        }
+      ]
+    }
+  }
+}