fix: upgrade react-avatar from 3.9.7 to 3.10.0

Snyk has created this PR to upgrade react-avatar from 3.9.7 to 3.10.0.

See this package in npm:
https://www.npmjs.com/package/react-avatar

See this project in Snyk:
https://app.snyk.io/org/wambugucoder/project/4ad982c5-88ce-4f1c-98fc-b63137218714?utm_source=github&utm_medium=upgrade-pr

Author: snyk-bot

client/package-lock.json

@@ -17,7 +17,7 @@
     "popper.js": "^1.16.1",
     "prop-types": "^15.7.2",
     "react": "17.0.2",
-    "react-avatar": "^3.9.7",
+    "react-avatar": "^3.10.0",
     "react-bootstrap": "^1.5.2",
     "react-bootstrap-icons": "^1.4.0",
     "react-bs-datatable": "^2.1.1",