fix: exercises/c4-demos-master/10-udagram-app/package.json, exercises/c4-demos-master/10-udagram-app/package-lock.json & exercises/c4-demos-master/10-udagram-app/.snyk to reduce vulnerabilities

The following vulnerabilities are fixed with a Snyk patch:
- https://snyk.io/vuln/SNYK-JS-LODASH-567746

Author: snyk-bot

exercises/c4-demos-master/10-udagram-app/.snyk

@@ -0,0 +1,10 @@
+# Snyk (https://snyk.io) policy file, patches or ignores known vulnerabilities.
+version: v1.25.1
+ignore: {}
+# patches apply the minimum changes required to fix a vulnerability
+patch:
+  SNYK-JS-LODASH-567746:
+    - elasticsearch > lodash:
+        patched: '2025-01-24T05:49:40.552Z'
+        id: SNYK-JS-LODASH-567746
+        path: elasticsearch > lodash