chore(release): setup release-please for automatic release PR generation

.github/workflows/ci.yml

@@ -140,3 +140,13 @@ jobs:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           comment-on-alert: true
           auto-push: true
+
+  release-please:
+    needs: [test]
+    runs-on: ubuntu-latest
+    if: github.ref == 'refs/heads/main'
+    steps:
+      - uses: google-github-actions/release-please-action@v3
+        id: release-please
+        with:
+          command: manifest

.release-please-manifest.json

@@ -0,0 +1,3 @@
+{
+  ".": "1.1.0"
+}

CHANGELOG.md

@@ -1,7 +1,5 @@
 # Changelog
 
-All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
-
 ## [1.1.0](https://github.com/jimeh/undent/compare/v1.0.2...v1.1.0) (2021-02-22)
 
 

release-please-confog.json

@@ -0,0 +1,16 @@
+{
+  "bootstrap-sha": "369ec87dddfae22534693f8cf3be6cb85bc46f9d",
+  "last-release-sha": "369ec87dddfae22534693f8cf3be6cb85bc46f9d",
+  "release-type": "go",
+  "bump-minor-pre-major": true,
+  "bump-patch-for-minor-pre-major": true,
+  "packages": {
+    ".": {
+      "changelog-path": "CHANGELOG.md",
+      "draft": false,
+      "prerelease": false,
+      "extra-files": []
+    }
+  },
+  "$schema": "https://raw.githubusercontent.com/googleapis/release-please/main/schemas/config.json"
+}