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

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-BODYPARSER-7926860
- https://snyk.io/vuln/SNYK-JS-EXPRESS-7926867
- https://snyk.io/vuln/SNYK-JS-SEND-7926862
- https://snyk.io/vuln/SNYK-JS-SERVESTATIC-7926865

package.json

@@ -9,7 +9,7 @@
   "dependencies": {
     "@sentry/node": "5.7.0",
     "atob": "^2.1.2",
-    "body-parser": "^1.19.0",
+    "body-parser": "^1.20.3",
     "btoa": "^1.2.1",
     "compression": "^1.7.4",
     "cookie-parser": "^1.4.4",
@@ -22,7 +22,7 @@
     "eslint-plugin-promise": "^4.2.1",
     "eslint-plugin-react": "^7.16.0",
     "eslint-plugin-standard": "^4.0.1",
-    "express": "^4.17.1",
+    "express": "^4.21.0",
     "express-mongo-db": "^2.0.4",
     "express-pino-logger": "^4.0.0",
     "moment": "^2.24.0",