Bump rxjs from 7.8.1 to 7.8.2 in /samples/cds-sample-application

Bumps [rxjs](https://github.com/reactivex/rxjs) from 7.8.1 to 7.8.2.
- [Release notes](https://github.com/reactivex/rxjs/releases)
- [Changelog](https://github.com/ReactiveX/rxjs/blob/7.8.2/CHANGELOG.md)
- [Commits](ReactiveX/rxjs@7.8.1...7.8.2)

---
updated-dependencies:
- dependency-name: rxjs
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

samples/cds-sample-application/package-lock.json

@@ -36,7 +36,7 @@
     "passport": "^0.7.0",
     "reflect-metadata": "^0.1.14",
     "rimraf": "^6.0.1",
-    "rxjs": "^7.8.1",
+    "rxjs": "^7.8.2",
     "@sap-cloud-sdk/odata-v2": "^3.25.0"
   },
   "devDependencies": {