fix: upgrade sharp from 0.29.3 to 0.30.1

Snyk has created this PR to upgrade sharp from 0.29.3 to 0.30.1.

See this package in npm:
https://www.npmjs.com/package/sharp

See this project in Snyk:
https://app.snyk.io/org/talhabalaj/project/8325c626-d0a3-4068-8359-8256727eeab7?utm_source=github&utm_medium=referral&page=upgrade-pr

package.json

@@ -84,7 +84,7 @@
     "rehype-mermaid": "^0.1.5",
     "rehype-sanitize": "^5.0.1",
     "rxjs": "~6.6.3",
-    "sharp": "^0.29.3",
+    "sharp": "^0.30.1",
     "tslib": "^2.0.0",
     "unique-username-generator": "^1.0.1",
     "uuid": "^8.3.2"