build(deps-dev): bump @types/google.maps from 3.48.5 to 3.48.6 (#593)

Bumps [@types/google.maps](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/google.maps) from 3.48.5 to 3.48.6.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/google.maps)

---
updated-dependencies:
- dependency-name: "@types/google.maps"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]