fix: packages/visual-engine/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-LODASH-15869625
- https://snyk.io/vuln/SNYK-JS-LODASH-15869619

Author: snyk-io[bot]

packages/visual-engine/package.json

@@ -24,7 +24,7 @@
   "dependencies": {
     "@readapt/settings": "^1.8.4",
     "@readapt/text-engine": "^1.8.4",
-    "lodash": "^4.17.21"
+    "lodash": "^4.18.1"
   },
   "devDependencies": {
     "@types/lodash": "^4.14.179",