Bump bn.js from 5.2.2 to 5.2.3

Bumps [bn.js](https://github.com/indutny/bn.js) from 5.2.2 to 5.2.3.
- [Release notes](https://github.com/indutny/bn.js/releases)
- [Changelog](https://github.com/indutny/bn.js/blob/master/CHANGELOG.md)
- [Commits](indutny/bn.js@v5.2.2...v5.2.3)

---
updated-dependencies:
- dependency-name: bn.js
  dependency-version: 5.2.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

packages/swapper/package.json

@@ -35,7 +35,7 @@
         "@ton/ton": "16.2.2",
         "@ton/core": "0.63.1",
         "@types/bn.js": "5.2.0",
-        "bn.js": "5.2.2",
+        "bn.js": "5.2.3",
         "bs58": "6.0.0",
         "js-sha3": "0.9.3"
     }