chore: update dev dependencies

Updated `jest`, `jest-environment-jsdom`, and `web-ext` to their latest versions.
Kept `jsdom` at v26.1.0 to maintain compatibility with the current Jest CommonJS setup.
Ran tests and linting to ensure no regressions.

Co-authored-by: cmuench <211294+cmuench@users.noreply.github.com>

Author: google-labs-jules[bot]