fix: upgrade @types/react-dom from 16.9.3 to 16.9.8 (#2288)

Snyk has created this PR to upgrade @types/react-dom from 16.9.3 to 16.9.8.

See this package in npm:
https://www.npmjs.com/package/@types/react-dom

See this project in Snyk:
https://app.snyk.io/org/nmanovic/project/2f167f1b-9eed-4bf3-96b4-7ac84449f680?utm_source=github&utm_medium=upgrade-pr

cvat-ui/package-lock.json

@@ -1144,9 +1144,9 @@
       }
     },
     "@types/react-dom": {
-      "version": "16.9.3",
-      "resolved": "https://registry.npmjs.org/@types/react-dom/-/react-dom-16.9.3.tgz",
-      "integrity": "sha512-FUuZKXPr9qlzUT9lhuzrZgLjH63TvNn28Ch3MvKG4B+F52zQtO8DtE0Opbncy3xaucNZM2WIPfuNTgkbKx5Brg==",
+      "version": "16.9.8",
+      "resolved": "https://registry.npmjs.org/@types/react-dom/-/react-dom-16.9.8.tgz",
+      "integrity": "sha512-ykkPQ+5nFknnlU6lDd947WbQ6TE3NNzbQAkInC2EKY1qeYdTKp7onFusmYZb+ityzx2YviqT6BXSu+LyWWJwcA==",
       "requires": {
         "@types/react": "*"
       }

cvat-ui/package.json

@@ -51,7 +51,7 @@
     "@types/platform": "^1.3.2",
     "@types/react": "^16.9.49",
     "@types/react-color": "^3.0.2",
-    "@types/react-dom": "^16.9.0",
+    "@types/react-dom": "^16.9.8",
     "@types/react-redux": "^7.1.2",
     "@types/react-router": "^5.1.8",
     "@types/react-router-dom": "^5.1.0",