Bump typescript from 4.5.5 to 4.6.4

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 4.5.5 to 4.6.4.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](https://github.com/Microsoft/TypeScript/compare/v4.5.5...v4.6.4)

---
updated-dependencies:
- dependency-name: typescript
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -22,7 +22,7 @@
     "svelte-check": "^2.7.1",
     "svelte-preprocess": "^4.10.6",
     "tslib": "^2.4.0",
-    "typescript": "~4.5.5"
+    "typescript": "~4.6.4"
   },
   "type": "module",
   "dependencies": {