chore(deps): bump @ethereumjs/tx from 5.3.0 to 5.4.0 in /packages/shared

Bumps [@ethereumjs/tx](https://github.com/ethereumjs/ethereumjs-monorepo) from 5.3.0 to 5.4.0.
- [Release notes](https://github.com/ethereumjs/ethereumjs-monorepo/releases)
- [Commits](https://github.com/ethereumjs/ethereumjs-monorepo/compare/@ethereumjs/[email protected]...@ethereumjs/[email protected])

---
updated-dependencies:
- dependency-name: "@ethereumjs/tx"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

packages/shared/package.json

@@ -8,7 +8,7 @@
         "@bloomwalletio/ui": "0.21.13",
         "@ethereumjs/common": "4.3.0",
         "@ethereumjs/rlp": "5.0.2",
-        "@ethereumjs/tx": "5.3.0",
+        "@ethereumjs/tx": "5.4.0",
         "@ethereumjs/util": "9.0.3",
         "@iota/crypto.js": "1.8.6",
         "@iota/sdk": "1.1.5",