BRE-1040 Docker Compose rule (#229)

Author: fntyler

.github/CODEOWNERS

@@ -11,10 +11,11 @@ src/KeyConnector/KeyConnector.csproj
 .github/renovate.json
 Directory.Build.props
 
-## Docker files have joint ownership ##
+## Docker-related files
 **/Dockerfile @bitwarden/dept-bre @bitwarden/team-key-management-dev @bitwarden/team-appsec
 **/*.Dockerfile @bitwarden/dept-bre @bitwarden/team-key-management-dev @bitwarden/team-appsec
 **/.dockerignore @bitwarden/dept-bre @bitwarden/team-key-management-dev @bitwarden/team-appsec
+**/docker-compose.yml @bitwarden/dept-bre @bitwarden/team-key-management-dev @bitwarden/team-appsec
 **/entrypoint.sh @bitwarden/dept-bre @bitwarden/team-key-management-dev @bitwarden/team-appsec
 
 ## BRE team owns these workflows ##