fix: package.json & yarn.lock to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-TARFS-10293725

Author: snyk-bot

package.json

@@ -46,7 +46,7 @@
     "react-markdown": "^8.0.7",
     "regenerator-runtime": "0.13.11",
     "remark-gfm": "^3.0.1",
-    "sharp": "^0.32.6",
+    "sharp": "^0.33.0",
     "tslib": "^2.0.0",
     "use-query-params": "^2.2.1",
     "usehooks-ts": "^2.6.0"