Update dependency eslint-plugin-unicorn to v19

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
eslint-plugin-unicorn	devDependencies	major	18.0.1 -> 19.0.1

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Release Notes

sindresorhus/eslint-plugin-unicorn

### [`v19.0.1`](https://togithub.com/sindresorhus/eslint-plugin-unicorn/releases/v19.0.1) [Compare Source](https://togithub.com/sindresorhus/eslint-plugin-unicorn/compare/v19.0.0...v19.0.1) - `no-fn-reference-in-iterator`: Ignore `this.` and `Vue.filter` ([#​699](https://togithub.com/sindresorhus/eslint-plugin-unicorn/issues/699)) [`b02a9c6`](https://togithub.com/sindresorhus/eslint-plugin-unicorn/commit/b02a9c6) - `no-fn-reference-in-iterator`: Ignore cases obviously not a function reference ([#​697](https://togithub.com/sindresorhus/eslint-plugin-unicorn/issues/697)) [`dae5107`](https://togithub.com/sindresorhus/eslint-plugin-unicorn/commit/dae5107) ### [`v19.0.0`](https://togithub.com/sindresorhus/eslint-plugin-unicorn/releases/v19.0.0) [Compare Source](https://togithub.com/sindresorhus/eslint-plugin-unicorn/compare/v18.0.1...v19.0.0) ##### New rules - Add [`no-null`](https://togithub.com/sindresorhus/eslint-plugin-unicorn/blob/master/docs/rules/no-null.md) rule ([#​636](https://togithub.com/sindresorhus/eslint-plugin-unicorn/issues/636)) [`c773c16`](https://togithub.com/sindresorhus/eslint-plugin-unicorn/commit/c773c16) ##### Breaking - `string-content`: Make it have no default patterns ([#​637](https://togithub.com/sindresorhus/eslint-plugin-unicorn/issues/637)) [`08fad55`](https://togithub.com/sindresorhus/eslint-plugin-unicorn/commit/08fad55) - `catch-error-name`: Replace `caughtErrorsIgnorePattern` option with an [`ignore`](https://togithub.com/sindresorhus/eslint-plugin-unicorn/blob/master/docs/rules/catch-error-name.md#ignore) option ([#​661](https://togithub.com/sindresorhus/eslint-plugin-unicorn/issues/661)) [`5a27f04`](https://togithub.com/sindresorhus/eslint-plugin-unicorn/commit/5a27f04) ##### Improvements - `custom-error-definition`: Support class properties ([#​673](https://togithub.com/sindresorhus/eslint-plugin-unicorn/issues/673)) [`9cc8d60`](https://togithub.com/sindresorhus/eslint-plugin-unicorn/commit/9cc8d60) - `catch-error-name`: Support `Promise#then` ([#​660](https://togithub.com/sindresorhus/eslint-plugin-unicorn/issues/660)) [`edcf73c`](https://togithub.com/sindresorhus/eslint-plugin-unicorn/commit/edcf73c) - `prefer-set-has`: Supports more types of array ([#​641](https://togithub.com/sindresorhus/eslint-plugin-unicorn/issues/641)) [`29f3c9c`](https://togithub.com/sindresorhus/eslint-plugin-unicorn/commit/29f3c9c) ##### Fixes - `escape-case`: Fix missing characters ([#​678](https://togithub.com/sindresorhus/eslint-plugin-unicorn/issues/678)) [`d986427`](https://togithub.com/sindresorhus/eslint-plugin-unicorn/commit/d986427) - `no-nested-ternary`: Fix incorrect result with TypeScript parser ([#​664](https://togithub.com/sindresorhus/eslint-plugin-unicorn/issues/664)) [`cb08ed0`](https://togithub.com/sindresorhus/eslint-plugin-unicorn/commit/cb08ed0) - `custom-error-definition`: Fix duplicated reports on `this.message` assign ([#​669](https://togithub.com/sindresorhus/eslint-plugin-unicorn/issues/669)) [`aa00647`](https://togithub.com/sindresorhus/eslint-plugin-unicorn/commit/aa00647) - `custom-error-definition`: Fix crash on `@typescript-eslint/parser` ([#​659](https://togithub.com/sindresorhus/eslint-plugin-unicorn/issues/659)) [`e8cb921`](https://togithub.com/sindresorhus/eslint-plugin-unicorn/commit/e8cb921) - `catch-error-name`: Improve error message ([#​665](https://togithub.com/sindresorhus/eslint-plugin-unicorn/issues/665)) [`8ac9a90`](https://togithub.com/sindresorhus/eslint-plugin-unicorn/commit/8ac9a90) - `catch-error-name`: Fix error renaming ([#​654](https://togithub.com/sindresorhus/eslint-plugin-unicorn/issues/654)) [`cc2d1b1`](https://togithub.com/sindresorhus/eslint-plugin-unicorn/commit/cc2d1b1) - `catch-error-name`: Only allow `_` when it's not used ([#​650](https://togithub.com/sindresorhus/eslint-plugin-unicorn/issues/650)) [`0c31a0b`](https://togithub.com/sindresorhus/eslint-plugin-unicorn/commit/0c31a0b) - `catch-error-name`: Ignore destructuring ([#​649](https://togithub.com/sindresorhus/eslint-plugin-unicorn/issues/649)) [`b2838fd`](https://togithub.com/sindresorhus/eslint-plugin-unicorn/commit/b2838fd)

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