chore(deps): update dependency eslint-plugin-unicorn to v9

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change	References
eslint-plugin-unicorn	devDependencies	major	8.0.2 -> 9.0.0	source

---

Release Notes

sindresorhus/eslint-plugin-unicorn

### [`v9.0.0`](https://togithub.com/sindresorhus/eslint-plugin-unicorn/releases/v9.0.0) [Compare Source](https://togithub.com/sindresorhus/eslint-plugin-unicorn/compare/v8.0.2...v9.0.0) ##### Breaking - Require Node.js 8 [`9b9d761`](https://togithub.com/sindresorhus/eslint-plugin-unicorn/commit/9b9d761) - Use underscore naming pattern in the `catch-error-name` rule ([#​306](https://togithub.com/sindresorhus/eslint-plugin-unicorn/issues/306)) [`0f8d5b4`](https://togithub.com/sindresorhus/eslint-plugin-unicorn/commit/0f8d5b4) ##### New rules - Add [`prefer-event-key` rule](https://togithub.com/sindresorhus/eslint-plugin-unicorn/blob/master/docs/rules/prefer-event-key.md) ([#​226](https://togithub.com/sindresorhus/eslint-plugin-unicorn/issues/226)) [`9bede78`](https://togithub.com/sindresorhus/eslint-plugin-unicorn/commit/9bede78) - Add [`prefer-flat-map` rule](https://togithub.com/sindresorhus/eslint-plugin-unicorn/blob/master/docs/rules/prefer-flat-map.md) ([#​284](https://togithub.com/sindresorhus/eslint-plugin-unicorn/issues/284)) [`d440daa`](https://togithub.com/sindresorhus/eslint-plugin-unicorn/commit/d440daa) ##### Enhancements - Add `cases` option to the [`filename-case` rule](https://togithub.com/sindresorhus/eslint-plugin-unicorn/blob/master/docs/rules/filename-case.md) ([#​291](https://togithub.com/sindresorhus/eslint-plugin-unicorn/issues/291)) [`43a6e9a`](https://togithub.com/sindresorhus/eslint-plugin-unicorn/commit/43a6e9a) - Make the `no-for-loop` rule handle more cases ([#​297](https://togithub.com/sindresorhus/eslint-plugin-unicorn/issues/297)) [`3c0c7b9`](https://togithub.com/sindresorhus/eslint-plugin-unicorn/commit/3c0c7b9) - Make the `import-index` rule handle more cases ([#​293](https://togithub.com/sindresorhus/eslint-plugin-unicorn/issues/293)) [`f0c0a4f`](https://togithub.com/sindresorhus/eslint-plugin-unicorn/commit/f0c0a4f) ##### Fixes - Fix operator precedence bugs in the `prefer-exponentiation-operator` rule ([#​305](https://togithub.com/sindresorhus/eslint-plugin-unicorn/issues/305)) [`dc90c1e`](https://togithub.com/sindresorhus/eslint-plugin-unicorn/commit/dc90c1e) - Fix the `prefer-includes` rule fixer omitting parentheses ([#​287](https://togithub.com/sindresorhus/eslint-plugin-unicorn/issues/287)) [`e36d25c`](https://togithub.com/sindresorhus/eslint-plugin-unicorn/commit/e36d25c)

---

Renovate configuration

:date: Schedule: At any time (no schedule defined).

:vertical_traffic_light: Automerge: Disabled by config. Please merge this manually once you are satisfied.

:recycle: Rebasing: Whenever PR becomes conflicted, or if you modify the PR title to begin with "rebase!".

:no_bell: Ignore: Close this PR and you won't be reminded about this update again.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR has been generated by Renovate Bot. View repository job log here.

[codecov[bot]]

Codecov Report

Merging #56 into develop will decrease coverage by 0.15%. The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop      #56      +/-   ##
===========================================
- Coverage    89.69%   89.54%   -0.16%     
===========================================
  Files           63       63              
  Lines          631      631              
  Branches        66       66              
===========================================
- Hits           566      565       -1     
- Misses          59       60       +1     
  Partials         6        6

Impacted Files	Coverage Δ
src/propApi/listen.ts	65% <0%> (-1.67%)	:arrow_down:

---

Continue to review full report at Codecov.

Legend - Click here to learn more Δ = absolute <relative> (impact), ø = not affected, ? = missing data Powered by Codecov. Last update f6693bd...51532a0. Read the comment docs.

[codecov[bot]]

Codecov Report

Merging #56 into develop will decrease coverage by 0.15%. The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop      #56      +/-   ##
===========================================
- Coverage    89.69%   89.54%   -0.16%     
===========================================
  Files           63       63              
  Lines          631      631              
  Branches        66       66              
===========================================
- Hits           566      565       -1     
- Misses          59       60       +1     
  Partials         6        6

Impacted Files	Coverage Δ
src/propApi/listen.ts	65% <0%> (-1.67%)	:arrow_down:

---

Continue to review full report at Codecov.

Legend - Click here to learn more Δ = absolute <relative> (impact), ø = not affected, ? = missing data Powered by Codecov. Last update f6693bd...51532a0. Read the comment docs.

[codecov[bot]]

Codecov Report

Merging #56 into develop will decrease coverage by 0.15%. The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop      #56      +/-   ##
===========================================
- Coverage    89.69%   89.54%   -0.16%     
===========================================
  Files           63       63              
  Lines          631      631              
  Branches        66       66              
===========================================
- Hits           566      565       -1     
- Misses          59       60       +1     
  Partials         6        6

Impacted Files	Coverage Δ
src/propApi/listen.ts	65% <0%> (-1.67%)	:arrow_down:

---

Continue to review full report at Codecov.

Legend - Click here to learn more Δ = absolute <relative> (impact), ø = not affected, ? = missing data Powered by Codecov. Last update f6693bd...51532a0. Read the comment docs.

[renovate[bot]]

PR has been edited

:construction_worker: This PR has received other commits, so Renovate will stop updating it to avoid conflicts or other problems. If you wish to abandon your changes and have Renovate start over you may click the "rebase" checkbox in the PR body/description.