chore(deps-dev): bump @fontsource/fira-mono from 4.5.10 to 5.0.12

Bumps [@fontsource/fira-mono](https://github.com/fontsource/font-files/tree/HEAD/fonts/google/fira-mono) from 4.5.10 to 5.0.12.
- [Changelog](https://github.com/fontsource/font-files/blob/main/fonts/google/fira-mono/CHANGELOG.md)
- [Commits](https://github.com/fontsource/font-files/commits/HEAD/fonts/google/fira-mono)

---
updated-dependencies:
- dependency-name: "@fontsource/fira-mono"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

package.json

@@ -11,7 +11,7 @@
  "format": "prettier --write ."
  },
  "devDependencies": {
- "@fontsource/fira-mono": "^4.5.10",
+ "@fontsource/fira-mono": "^5.0.12",
  "@neoconfetti/svelte": "^2.2.1",
  "@sveltejs/adapter-auto": "^3.2.0",
  "@sveltejs/adapter-static": "^3.0.1",