chore(deps): bump sirv from 0.4.6 to 1.0.7 in /site (#925)

Bumps [sirv](https://github.com/lukeed/sirv) from 0.4.6 to 1.0.7.
- [Release notes](https://github.com/lukeed/sirv/releases)
- [Commits](https://github.com/lukeed/sirv/compare/v0.4.6...v1.0.7)

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site/package.json

@@ -19,7 +19,7 @@
 		"highlight.js": "^10.1.2",
 		"marked": "^1.1.1",
 		"polka": "^0.5.2",
-		"sirv": "^0.4.2",
+		"sirv": "^1.0.7",
 		"svelte-i18n": "^3.0.4"
 	},
 	"devDependencies": {