chore(deps): bump nostr-tools from 2.7.2 to 2.8.1

Bumps [nostr-tools](https://github.com/nbd-wtf/nostr-tools) from 2.7.2 to 2.8.1.
- [Release notes](https://github.com/nbd-wtf/nostr-tools/releases)
- [Commits](nbd-wtf/nostr-tools@v02.7.2...v2.8.1)

---
updated-dependencies:
- dependency-name: nostr-tools
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

package.json

@@ -52,7 +52,7 @@
     "meilisearch": "^0.43.0",
     "meilisearch-helper": "^1.2.0",
     "nestjs-pino": "^4.1.0",
-    "nostr-tools": "^2.7.2",
+    "nostr-tools": "^2.8.1",
     "pg": "^8.13.0",
     "pino-http": "^10.3.0",
     "reflect-metadata": "^0.2.2",