Revert "Bump typescript from 5.9.3 to 6.0.2"

This reverts commit d61520a.

Author: JoernBerkefeld

package-lock.json

@@ -115,7 +115,7 @@
         "mock-fs": "5.3.0",
         "npm-run-all": "4.1.5",
         "prettier-eslint": "16.4.2",
-        "typescript": "6.0.2"
+        "typescript": "5.9.3"
     },
     "optionalDependencies": {
         "fsevents": "*"