ci(release): Restore GitHub App token authentication

The previous migration incorrectly removed the GitHub App token
authentication step. This commit restores it by switching to the
composite action pattern which preserves the auth flow.

Author: BYK

.github/workflows/release.yml

@@ -13,10 +13,25 @@ on:
         required: false
 jobs:
   release:
-    uses: getsentry/craft/.github/workflows/release.yml@v2
-    with:
-      version: ${{ inputs.version }}
-      force: ${{ inputs.force }}
-      merge_target: ${{ inputs.merge_target }}
-      craft_config_from_merge_target: 'true'
-    secrets: inherit
+    runs-on: ubuntu-latest
+    name: Release a new version
+    steps:
+    - name: Get auth token
+      id: token
+      uses: actions/create-github-app-token@v1
+      with:
+        app-id: ${{ vars.SENTRY_RELEASE_BOT_CLIENT_ID }}
+        private-key: ${{ secrets.SENTRY_RELEASE_BOT_PRIVATE_KEY }}
+    - uses: actions/checkout@v4
+      with:
+        token: ${{ steps.token.outputs.token }}
+        fetch-depth: 0
+    - name: Prepare release
+      uses: getsentry/craft@v2
+      env:
+        GITHUB_TOKEN: ${{ steps.token.outputs.token }}
+      with:
+        version: ${{ inputs.version }}
+        force: ${{ inputs.force }}
+        merge_target: ${{ inputs.merge_target }}
+        craft_config_from_merge_target: 'true'