chore(deps-dev): bump @googlemaps/jest-mocks from 2.6.3 to 2.6.4 (#155)

Bumps [@googlemaps/jest-mocks](https://github.com/googlemaps/js-jest-mocks) from 2.6.3 to 2.6.4.
- [Release notes](https://github.com/googlemaps/js-jest-mocks/releases)
- [Commits](googlemaps/js-jest-mocks@v2.6.3...v2.6.4)

---
updated-dependencies:
- dependency-name: "@googlemaps/jest-mocks"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]