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

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-GATSBY-5671647
- https://snyk.io/vuln/SNYK-JS-GATSBYCLI-5671903
- https://snyk.io/vuln/SNYK-JS-GATSBYPLUGINSHARP-5671648

package.json

@@ -15,7 +15,7 @@
     "axios": "^1.2.1",
     "dotenv": "^16.0.3",
     "file-loader": "^6.2.0",
-    "gatsby": "^4.24.7",
+    "gatsby": "^5.0.0",
     "gatsby-image": "^3.11.0",
     "gatsby-link": "^4.24.1",
     "gatsby-plugin-canonical-urls": "^4.25.0",
@@ -27,7 +27,7 @@
     "gatsby-plugin-page-creator": "^4.25.0",
     "gatsby-plugin-react-helmet": "^5.25.0",
     "gatsby-plugin-s3": "^0.3.8",
-    "gatsby-plugin-sharp": "^4.25.0",
+    "gatsby-plugin-sharp": "^5.10.0",
     "gatsby-plugin-styled-components": "^5.24.0",
     "gatsby-plugin-typescript": "^4.25.0",
     "gatsby-plugin-web-font-loader": "^1.0.4",