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

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-REQUEST-3361831
- https://snyk.io/vuln/SNYK-JS-TOUGHCOOKIE-5672873

package.json

@@ -33,7 +33,7 @@
     "lodash": "^4.17.21",
     "mezr": "^0.6.2",
     "moment": "^2.29.4",
-    "node-sass": "^7.0.3",
+    "node-sass": "^8.0.0",
     "react": "^17.0.2",
     "react-bootstrap": "^1.6.6",
     "react-contextmenu": "^2.14.0",