ci: automate releases with release-please

.github/workflows/release-please.yml

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+name: release-please
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+concurrency:
+  group: release-please
+  cancel-in-progress: false
+
+jobs:
+  release-please:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+      - name: Generate token
+        id: token
+        uses: actions/create-github-app-token@bcd2ba49218906704ab6c1aa796996da409d3eb1 # v3.2.0
+        with:
+          client-id: ${{ secrets.RR_CICD_APP_ID }}
+          private-key: ${{ secrets.RR_CICD_PRIVATE_KEY }}
+          permission-contents: write
+          permission-issues: write
+          permission-pull-requests: write
+      - name: Update release
+        uses: googleapis/release-please-action@45996ed1f6d02564a971a2fa1b5860e934307cf7 # v5.0.0
+        with:
+          token: ${{ steps.token.outputs.token }}
+          target-branch: main

.release-please-manifest.json

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+{
+  ".": "1.6.0"
+}

release-please-config.json

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+{
+  "$schema": "https://raw.githubusercontent.com/googleapis/release-please/main/schemas/config.json",
+  "release-type": "go",
+  "include-component-in-tag": false,
+  "signoff": "RoadRunner Bot <bot@roadrunner.dev>",
+  "pull-request-header": "Release pull request. Merge it to create the tag and the GitHub release.",
+  "packages": {
+    ".": {}
+  }
+}