chore(deps): update dependency @fontsource/fira-mono to v5

Author: renovate[bot]

package.json

@@ -87,7 +87,7 @@
     "@changesets/changelog-github": "^0.4.6",
     "@changesets/cli": "^2.24.2",
     "@changesets/get-release-plan": "^3.0.16",
-    "@fontsource/fira-mono": "^4.5.0",
+    "@fontsource/fira-mono": "^5.0.0",
     "@ota-meshi/eslint-plugin": "^0.13.0",
     "@sindresorhus/slugify": "^2.1.0",
     "@sveltejs/adapter-static": "^2.0.2",