feat(ci): Release pipeline using craft

.craft.yml

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+minVersion: "2.21.4"
+changelog:
+  policy: auto
+versioning:
+  policy: calver
+artifactProvider:
+  name: none
+statusProvider:
+  name: github
+  config:
+    contexts:
+      - 'build-arm64'
+      - 'build-amd64'
+      - 'Create multi-platform manifest'
+preReleaseCommand: ""
+targets:
+  - id: release
+    name: docker
+    source: ghcr.io/getsentry/launchpad
+    target: ghcr.io/getsentry/launchpad
+  - id: latest
+    name: docker
+    source: ghcr.io/getsentry/launchpad
+    target: ghcr.io/getsentry/launchpad
+    targetFormat: '{{{target}}}:latest'
+  - name: github

.github/workflows/release.yml

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+name: self-hosted release
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: Version to release (or "auto")
+        required: false
+      force:
+        description: Force a release even when there are release-blockers (optional)
+        required: false
+
+  schedule:
+    # We want the release to be at 9-10am Pacific Time
+    # We also want it to be 1 hour before the on-prem release
+    - cron: "0 17 15 * *"
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    name: "Release a new launchpad version"
+    steps:
+      - name: Get auth token
+        id: token
+        uses: actions/create-github-app-token@v2
+        with:
+          app-id: ${{ vars.SENTRY_RELEASE_BOT_CLIENT_ID }}
+          private-key: ${{ secrets.SENTRY_RELEASE_BOT_PRIVATE_KEY }}
+      - uses: actions/checkout@v6
+        with:
+          token: ${{ steps.token.outputs.token }}
+          fetch-depth: 0
+      - name: Prepare release
+        uses: getsentry/craft@v2 # v2
+        env:
+          GITHUB_TOKEN: ${{ steps.token.outputs.token }}
+        with:
+          version: ${{ github.event.inputs.version }}
+          force: ${{ github.event.inputs.force }}
+          calver: true

CHANGELOG.md

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+# Changelog