chore: fix types (ipfs#3608)

Updates deps, fixes typos.

Not sure why the compiler doesn't pick up things like this.

Author: achingbrain

package.json

@@ -3,11 +3,11 @@
   "version": "1.0.0",
   "private": true,
   "dependencies": {
-    "dot-prop": "^5.0.0",
+    "dot-prop": "^6.0.1",
     "ipfs": "^0.54.4",
-    "ipfs-css": "^0.13.1",
-    "react": "^16.8.6",
-    "react-dom": "^16.8.6",
+    "ipfs-css": "^1.3.0",
+    "react": "^17.0.2",
+    "react-dom": "^17.0.2",
     "react-scripts": "^4.0.3",
     "tachyons": "^4.11.1"
   },