core: fix contest_edit timezone convert

package.json

@@ -33,7 +33,7 @@
         "@types/autocannon": "^7.9.0",
         "@types/cross-spawn": "^6.0.2",
         "@types/mocha": "^10.0.0",
-        "@types/node": "^18.11.2",
+        "@types/node": "^18.11.3",
         "@types/semver": "^7.3.12",
         "@types/supertest": "^2.0.12",
         "@typescript-eslint/eslint-plugin": "^5.40.1",
@@ -43,10 +43,10 @@
         "cross-env": "^7.0.3",
         "cross-spawn": "^7.0.3",
         "esbuild": "0.15.2",
-        "eslint": "^8.25.0",
+        "eslint": "^8.26.0",
         "eslint-config-airbnb": "^19.0.4",
         "eslint-config-airbnb-typescript": "^17.0.0",
-        "eslint-import-resolver-typescript": "^3.5.1",
+        "eslint-import-resolver-typescript": "^3.5.2",
         "eslint-import-resolver-webpack": "^0.13.2",
         "eslint-plugin-import": "2.26.0",
         "eslint-plugin-jsx-a11y": "^6.6.1",