Bump the dev-dependencies group with 5 updates

Bumps the dev-dependencies group with 5 updates:

| Package | From | To |
| --- | --- | --- |
| [@typescript-eslint/eslint-plugin](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/eslint-plugin) | `6.18.0` | `6.20.0` |
| [@typescript-eslint/parser](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/parser) | `6.18.0` | `6.20.0` |
| [esbuild](https://github.com/evanw/esbuild) | `0.19.11` | `0.20.0` |
| [prettier](https://github.com/prettier/prettier) | `3.1.1` | `3.2.4` |
| [stylelint](https://github.com/stylelint/stylelint) | `16.1.0` | `16.2.1` |


Updates `@typescript-eslint/eslint-plugin` from 6.18.0 to 6.20.0
- [Release notes](https://github.com/typescript-eslint/typescript-eslint/releases)
- [Changelog](https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/eslint-plugin/CHANGELOG.md)
- [Commits](https://github.com/typescript-eslint/typescript-eslint/commits/v6.20.0/packages/eslint-plugin)

Updates `@typescript-eslint/parser` from 6.18.0 to 6.20.0
- [Release notes](https://github.com/typescript-eslint/typescript-eslint/releases)
- [Changelog](https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/parser/CHANGELOG.md)
- [Commits](https://github.com/typescript-eslint/typescript-eslint/commits/v6.20.0/packages/parser)

Updates `esbuild` from 0.19.11 to 0.20.0
- [Release notes](https://github.com/evanw/esbuild/releases)
- [Changelog](https://github.com/evanw/esbuild/blob/main/CHANGELOG.md)
- [Commits](evanw/esbuild@v0.19.11...v0.20.0)

Updates `prettier` from 3.1.1 to 3.2.4
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](prettier/prettier@3.1.1...3.2.4)

Updates `stylelint` from 16.1.0 to 16.2.1
- [Release notes](https://github.com/stylelint/stylelint/releases)
- [Changelog](https://github.com/stylelint/stylelint/blob/main/CHANGELOG.md)
- [Commits](stylelint/stylelint@16.1.0...16.2.1)

---
updated-dependencies:
- dependency-name: "@typescript-eslint/eslint-plugin"
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-dependencies
- dependency-name: "@typescript-eslint/parser"
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-dependencies
- dependency-name: esbuild
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-dependencies
- dependency-name: prettier
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-dependencies
- dependency-name: stylelint
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -25,12 +25,12 @@
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "devDependencies": {
-    "@typescript-eslint/eslint-plugin": "^6.18.0",
-    "@typescript-eslint/parser": "^6.18.0",
-    "esbuild": "^0.19.11",
+    "@typescript-eslint/eslint-plugin": "^6.20.0",
+    "@typescript-eslint/parser": "^6.20.0",
+    "esbuild": "^0.20.0",
     "eslint": "^8.56.0",
-    "prettier": "^3.1.1",
-    "stylelint": "^16.1.0",
+    "prettier": "^3.2.4",
+    "stylelint": "^16.2.1",
     "stylelint-config-standard": "^36.0.0",
     "typescript": "^5.3.3",
     "unical": "github:theodore-s-beers/unical"