Update dependency typescript to ~4.8.0 (#465)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -83,7 +83,7 @@
         "stylelint-config-standard": "^28.0.0",
         "stylelint-stylus": "^0.17.0",
         "ts-node": "^10.2.1",
-        "typescript": "~4.7.0",
+        "typescript": "~4.8.0",
         "vue-eslint-editor": "^1.1.0",
         "vue-eslint-parser": "^9.0.0",
         "vuepress": "^1.8.2"