chore(deps): update dependency rollup-plugin-svelte to v7

Author: renovate-bot

package-lock.json

@@ -53,7 +53,7 @@
     "postcss-load-config": "3.0.0",
     "rollup": "2.35.0",
     "rollup-plugin-babel": "4.4.0",
-    "rollup-plugin-svelte": "6.1.1",
+    "rollup-plugin-svelte": "7.0.0",
     "rollup-plugin-terser": "7.0.2",
     "sapper": "0.28.10",
     "svelte": "3.31.0",