deps: bump get-pkg-repo from 4.2.1 to 5.0.0 in /theme (#396)

Bumps [get-pkg-repo](https://github.com/conventional-changelog/get-pkg-repo) from 4.2.1 to 5.0.0. - [Release notes](https://github.com/conventional-changelog/get-pkg-repo/releases) - [Changelog](https://github.com/conventional-changelog/get-pkg-repo/blob/master/CHANGELOG.md) - [Commits](https://github.com/conventional-changelog/get-pkg-repo/compare/get-pkg-repo-v4.2.1...v5.0.0) --- updated-dependencies: - dependency-name: get-pkg-repo dependency-type: direct:production update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] <support@github.com> Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>