chore(package): update svelte to version 3.6.10

Closes #33

Author: greenkeeper[bot]

package.json

@@ -10,7 +10,7 @@
     "mini-css-extract-plugin": "^0.7.0",
     "npm-run-all": "^4.1.5",
     "serve": "^11.0.0",
-    "svelte": "^2.16.1",
+    "svelte": "^3.6.10",
     "svelte-loader": "^2.13.3",
     "webpack": "^4.30.0",
     "webpack-cli": "^3.3.0",