fix: docs/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-ANSIHTML-1296849
- https://snyk.io/vuln/SNYK-JS-ANSIREGEX-1583908
- https://snyk.io/vuln/SNYK-JS-AXIOS-6032459
- https://snyk.io/vuln/SNYK-JS-MINIMATCH-3050818
- https://snyk.io/vuln/SNYK-JS-NODEFETCH-2342118
- https://snyk.io/vuln/SNYK-JS-OBJECTPATH-1569453
- https://snyk.io/vuln/SNYK-JS-OBJECTPATH-1585658
- https://snyk.io/vuln/SNYK-JS-REQUEST-3361831
- https://snyk.io/vuln/SNYK-JS-SEMVER-3247795
- https://snyk.io/vuln/SNYK-JS-TOUGHCOOKIE-5672873
- https://snyk.io/vuln/SNYK-JS-TRIM-1017038
- https://snyk.io/vuln/SNYK-JS-TRIMNEWLINES-1298042
- https://snyk.io/vuln/SNYK-JS-UNSETVALUE-2400660
- https://snyk.io/vuln/SNYK-JS-WS-1296835

docs/package.json

@@ -4,13 +4,13 @@
   "version": "1.0.0",
   "author": "Hunter Chang",
   "dependencies": {
-    "gatsby": "^3.0.0",
+    "gatsby": "^5.0.0",
     "gatsby-plugin-google-analytics": "^2.1.16",
     "gatsby-plugin-manifest": "^3.13.0",
     "gatsby-plugin-offline": "^2.0.25",
     "gatsby-plugin-react-helmet": "^3.0.10",
     "gatsby-plugin-sass": "^2.0.11",
-    "node-sass": "^4.11.0",
+    "node-sass": "^7.0.2",
     "react": "^16.8.5",
     "react-dom": "^16.8.5",
     "react-helmet": "^5.2.0",