Update dependency typescript to v6

frontend/package-lock.json

@@ -3100,24 +3100,14 @@
       "license": "MIT"
     },
     "node_modules/@vue/test-utils": {
-      "version": "2.4.10",
-      "resolved": "https://registry.npmjs.org/@vue/test-utils/-/test-utils-2.4.10.tgz",
-      "integrity": "sha512-SmoZ5EA1kYiAFs9NkYdiFFQF+cSnUwnvlYEbY+DogWQZUiqOm/Y29eSbc5T6yi75SgSF9863SBeXniIEoPajCA==",
+      "version": "2.4.6",
+      "resolved": "https://registry.npmjs.org/@vue/test-utils/-/test-utils-2.4.6.tgz",
+      "integrity": "sha512-FMxEjOpYNYiFe0GkaHsnJPXFHxQ6m4t8vI/ElPGpMWxZKpmRvQ33OIrvRXemy6yha03RxhOlQuy+gZMC3CQSow==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "js-beautify": "^1.14.9",
-        "vue-component-type-helpers": "^3.0.0"
-      },
-      "peerDependencies": {
-        "@vue/compiler-dom": "3.x",
-        "@vue/server-renderer": "3.x",
-        "vue": "3.x"
-      },
-      "peerDependenciesMeta": {
-        "@vue/server-renderer": {
-          "optional": true
-        }
+        "vue-component-type-helpers": "^2.0.0"
       }
     },
     "node_modules/@vue/tsconfig": {
@@ -7299,9 +7289,9 @@
       }
     },
     "node_modules/vue-component-type-helpers": {
-      "version": "3.2.8",
-      "resolved": "https://registry.npmjs.org/vue-component-type-helpers/-/vue-component-type-helpers-3.2.8.tgz",
-      "integrity": "sha512-9689efAXhN/EV86plgkL/XFiJSXhGtWPG6JDboZ+QnjlUWUUQrQ0ILKQtw4iQsuwIwu5k6Aw+JnehDe7161e7A==",
+      "version": "2.2.12",
+      "resolved": "https://registry.npmjs.org/vue-component-type-helpers/-/vue-component-type-helpers-2.2.12.tgz",
+      "integrity": "sha512-YbGqHZ5/eW4SnkPNR44mKVc6ZKQoRs/Rux1sxC6rdwXb4qpbOSYfDr9DsTHolOTGmIKgM9j141mZbBeg05R1pw==",
       "dev": true,
       "license": "MIT"
     },

frontend/package.json

@@ -47,7 +47,7 @@
     "openapi-typescript": "^7.13.0",
     "oxlint": "~1.61.0",
     "prettier": "3.8.3",
-    "typescript": "~5.9.3",
+    "typescript": "~6.0.0",
     "vite": "^8.0.0",
     "vite-plugin-vue-devtools": "^8.0.6",
     "vitest": "^4.0.18",