v13.27.0

• Fixes an issue where emulators:exec would return a 0 error code when emulators failed to start. (#7974)
• Added --import and emulators:export support to the Data Connect emulator.
• Added firebase.json#emulators.dataconnect.dataDir. When set, Data Connect data will be persisted to the configured directory between emulator runs.
• Added App Hosting Emulator: https://firebase.google.com/docs/app-hosting/emulate
• Added apphosting:config:export to export App Hosting configurations such as secrets into an apphosting.local.yaml file, to be used by the emulator