chore(deps): update dependency svelte to v4

Author: renovate[bot]

package.json

@@ -44,7 +44,7 @@
 		"dist"
 	],
 	"peerDependencies": {
-		"svelte": "^3.54.0"
+		"svelte": "^3.54.0 || ^4.0.0"
 	},
 	"devDependencies": {
 		"@playwright/test": "^1.31.2",
@@ -72,7 +72,7 @@
 		"rehype-autolink-headings": "^6.1.1",
 		"rehype-slug": "^5.1.0",
 		"svead": "^0.0.4",
-		"svelte": "^3.56.0",
+		"svelte": "^4.0.0",
 		"svelte-check": "^3.1.2",
 		"svelte-preprocess": "^5.0.1",
 		"tailwindcss": "^3.2.7",