build(release): keep the plugin manifest inside distribution packages

Co-authored-by: Codex <noreply@openai.com>

.github/scripts/package-release.rb

@@ -34,7 +34,6 @@ module ReleasePackage
     default_image = "${CPR_IMAGE:-#{image}:latest}"
     raise 'Expected exactly one default application image in deploy/compose.yaml' unless compose.scan(default_image).length == 1
     File.write("#{release_dir}/compose.yaml", compose.sub(default_image, "${CPR_IMAGE:-#{image}:#{ENV.fetch('DOCKER_VERSION')}}"))
-    FileUtils.cp(MANIFEST, release_dir)
 
     platforms.each do |platform|
       raise "Unsupported archive format: #{platform['archive']}" unless platform['archive'] == 'tar.gz'

.github/scripts/published-channels.rb

@@ -87,7 +87,7 @@ module PublishedChannels
       platforms = YAML.safe_load(Base64.decode64(data.fetch('content'))).fetch('platforms')
       raise "Missing platforms for #{tag}" if platforms.empty?
       expected = platforms.map { |p| ReleaseMetadata.archive_name(version, p) }
-      expected.concat(%w[checksums.txt compose.yaml config.example.yaml plugin-release-manifest.json])
+      expected.concat(%w[checksums.txt compose.yaml config.example.yaml])
       expected << 'version.yaml' if index
       assets = release.fetch('assets').select { |a| a.fetch('state') == 'uploaded' && a.fetch('size').positive? }.to_h { |a| [a.fetch('name'), a] }
       missing = expected - assets.keys