chore(deps): bump the npm_and_yarn group across 2 directories with 1 update

Bumps the npm_and_yarn group with 1 update in the /server directory: [zod](https://github.com/colinhacks/zod).
Bumps the npm_and_yarn group with 1 update in the /services/analytics directory: [zod](https://github.com/colinhacks/zod).


Updates `zod` from 3.25.76 to 4.6.7
- [Release notes](https://github.com/colinhacks/zod/releases)
- [Commits](https://github.com/colinhacks/zod/compare/v3.25.76...v4.6.7)

Updates `zod` from 3.25.76 to 4.6.7
- [Release notes](https://github.com/colinhacks/zod/releases)
- [Commits](https://github.com/colinhacks/zod/compare/v3.25.76...v4.6.7)

---
updated-dependencies:
- dependency-name: zod
  dependency-version: 4.6.7
  dependency-type: direct:production
  dependency-group: npm_and_yarn
- dependency-name: zod
  dependency-version: 4.6.7
  dependency-type: direct:production
  dependency-group: npm_and_yarn
...

Signed-off-by: dependabot[bot] <support@github.com>

server/package.json

@@ -43,7 +43,7 @@
     "validator": "^13.15.22",
     "winston": "^3.11.0",
     "yaml": "^2.8.3",
-    "zod": "^3.24.2"
+    "zod": "^4.6.7"
   },
   "devDependencies": {
     "@types/bcrypt": "^5.0.2",

services/analytics/package.json

@@ -16,7 +16,7 @@
     "express-basic-auth": "^1.2.1",
     "express-handlebars": "^7.1.2",
     "mongoose": "^8.24.1",
-    "zod": "^3.24.2"
+    "zod": "^4.6.7"
   },
   "devDependencies": {
     "@types/express": "^4.17.21",