Bump @mjackson/headers from 0.8.0 to 0.9.0 (#314)

Bumps [@mjackson/headers](https://github.com/mjackson/remix-the-web/tree/HEAD/packages/headers) from 0.8.0 to 0.9.0.
- [Release notes](https://github.com/mjackson/remix-the-web/releases)
- [Changelog](https://github.com/mjackson/remix-the-web/blob/main/packages/headers/CHANGELOG.md)
- [Commits](https://github.com/mjackson/remix-the-web/commits/[email protected]/packages/headers)

---
updated-dependencies:
- dependency-name: "@mjackson/headers"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -13,7 +13,7 @@
 	"devDependencies": {
 		"@arethetypeswrong/cli": "^0.17.1",
 		"@biomejs/biome": "^1.8.3",
-		"@mjackson/headers": "^0.8.0",
+		"@mjackson/headers": "^0.9.0",
 		"@total-typescript/tsconfig": "^1.0.4",
 		"@types/bun": "^1.1.14",
 		"msw": "^2.7.0",