Bump lodash in /09-PWA/study1/06-ssr-service-worker

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.10 to 4.17.19.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](lodash/lodash@4.17.10...4.17.19)

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Author: dependabot[bot]