ci(release): setup release-please

.github/workflows/release-please.yml

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+---
+on: push
+
+jobs:
+  release-please:
+    runs-on: ubuntu-latest
+    if: github.ref == 'refs/heads/main'
+    outputs:
+      release_created: ${{ steps.release-please.outputs.release_created }}
+      tag_name: ${{ steps.release-please.outputs.tag_name }} # e.g. v1.0.0
+      version: ${{ steps.release-please.outputs.version }} # e.g. 1.0.0
+    steps:
+      - uses: google-github-actions/release-please-action@v3
+        id: release-please
+        with:
+          command: manifest

.release-please-manifest.json

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+{
+  ".": "0.0.0"
+}

release-please-config.json

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+{
+  "packages": {
+    ".": {
+      "release-type": "simple",
+      "changelog-path": "CHANGELOG.md",
+      "bump-minor-pre-major": true,
+      "bump-patch-for-minor-pre-major": true,
+      "draft": false,
+      "prerelease": false,
+      "initial-version": "0.0.1"
+    }
+  },
+  "$schema": "https://raw.githubusercontent.com/googleapis/release-please/main/schemas/config.json"
+}