fix: package.json & yarn.lock to reduce vulnerabilities (#74)

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

Co-authored-by: snyk-bot <[email protected]>

Author: mistic100

package.json

@@ -22,9 +22,9 @@
     "start": "yarn mk-folders && yarn nerell-simu-link && yarn odin-simu-link && yarn pami-simu-link && ts-node ./src/server.ts"
   },
   "dependencies": {
-    "body-parser": "^1.19.2",
+    "body-parser": "^1.20.3",
     "date-fns": "^2.15.0",
-    "express": "^4.17.3",
+    "express": "^4.21.0",
     "express-ws": "^4.0.0",
     "first-line": "^1.0.3",
     "glob": "^7.1.1",