Update npm to ^9.21.0

Author: renovate[bot]

package.json

@@ -14,7 +14,7 @@
 		"prepare": "svelte-kit sync"
 	},
 	"devDependencies": {
-		"@eslint/js": "^9.20.0",
+		"@eslint/js": "^9.21.0",
 		"@neoconfetti/svelte": "^2.2.1",
 		"@octokit/graphql-schema": "^15.25.0",
 		"@shikijs/langs-precompiled": "^3.0.0",
@@ -32,7 +32,7 @@
 		"arctic": "^3.3.0",
 		"bits-ui": "^1.3.2",
 		"clsx": "^2.1.1",
-		"eslint": "^9.20.1",
+		"eslint": "^9.21.0",
 		"eslint-config-prettier": "^10.0.1",
 		"eslint-plugin-svelte": "^2.46.1",
 		"globals": "^16.0.0",