TASK: update dependency eslint to v4.19.1

[renovate[bot]]

This Pull Request updates dependency eslint from v4.19.0 to v4.19.1

Release Notes

### [`v4.19.1`](https://github.com/eslint/eslint/releases/v4.19.1) * 3ff5d11 Fix: no-invalid-regexp not understand variable for flags (fixes #​10112) (#​10113) (薛定谔的猫) * abc765c Fix: object-curly-newline minProperties w/default export (fixes #​10101) (#​10103) (Kevin Partington) * 6f9e155 Docs: Update ambiguous for...in example for guard-for-in (#​10114) (CJ R) * 0360cc2 Chore: Adding debug logs on successful plugin loads (#​10100) (Kevin Partington) * a717c5d Chore: Adding log at beginning of unit tests in Makefile.js (#​10102) (Kevin Partington) ---

Commits

#### v4.19.1 - [`a717c5d`](https://github.com/eslint/eslint/commit/a717c5db7575c0ba677f1fd1e909cba08818bfae) Chore: Adding log at beginning of unit tests in Makefile.js (#​10102) - [`0360cc2`](https://github.com/eslint/eslint/commit/0360cc25c86619d30e37e25d4ce9a78309591c18) Chore: Adding debug logs on successful plugin loads (#​10100) - [`6f9e155`](https://github.com/eslint/eslint/commit/6f9e15514e7a6b880b7c735ac9e8b43aed3cc67e) Docs: Update ambiguous for...in example for guard-for-in (#​10114) - [`abc765c`](https://github.com/eslint/eslint/commit/abc765c1bc6b546db82cb5cd038b66a3aa68b315) Fix: object-curly-newline minProperties w/default export (fixes #​10101) (#​10103) - [`3ff5d11`](https://github.com/eslint/eslint/commit/3ff5d11fe2ed601d4e0226bde50c06fe7c7f16ac) Fix: no-invalid-regexp not understand variable for flags (fixes #​10112) (#​10113) - [`b446650`](https://github.com/eslint/eslint/commit/b446650083012a152ec55dd19c20f2ce951eb30a) Build: changelog update for 4.19.1 - [`f1f1bdf`](https://github.com/eslint/eslint/commit/f1f1bdfffe0c2675e42cb6ad58145d40a6870135) 4.19.1

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