[REQUIRED] Environment info

firebase-tools: 13.26.0

Platform: macOS

cross-spawn has a vulnerability <7.0.5. firebase-tools depends on cross-spawn also transitively via a dependency on cross-env.

The current version of cross-env: ^5.1.3 used depends on version 6.x.x of cross-spawn.
To allow installing a fixed version of cross-spawn, cross-env should be updated to the latest version, which depends on cross-spawn: ^7.0.1.