Bump rxjs from 7.5.6 to 7.8.2 in /ship-frontend (#185)

Bumps [rxjs](https://github.com/reactivex/rxjs) from 7.5.6 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@7.5.6...7.8.2)

---
updated-dependencies:
- dependency-name: rxjs
  dependency-version: 7.8.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

ship-frontend/package-lock.json

@@ -18,7 +18,7 @@
     "@angular/platform-browser": "^20.3.4",
     "@angular/platform-browser-dynamic": "^20.3.4",
     "@angular/router": "^20.3.4",
-    "rxjs": "~7.5.0",
+    "rxjs": "~7.8.2",
     "tslib": "^2.3.0",
     "zone.js": "~0.15.1"
   },