Fix biome issues

[micaswyers-work]

This commit 1) replaces the delete globals.identity line in the flex.js and worker.js commands with a destructuring assignment and 2) re-formats package.json. This is compatible with the project's biome settings.

Contributing to Twilio

All third-party contributors acknowledge that any contributions they provide will be made under the same open-source license that the open-source project is provided under.

• I acknowledge that all my contributions will be made under the project's license.

[micaswyers-work]

Closing for now as I cannot actually test this.

[micaswyers-work]

(The twilio token:flex command (that touches these changes) appears to be broken.)