build(deps): bump keypair from 1.0.3 to 1.0.4

Bumps [keypair](https://github.com/juliangruber/keypair) from 1.0.3 to 1.0.4.
- [Release notes](https://github.com/juliangruber/keypair/releases)
- [Commits](juliangruber/keypair@v1.0.3...v1.0.4)

---
updated-dependencies:
- dependency-name: keypair
  dependency-type: indirect
...

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

Author: dependabot[bot]

yarn.lock

@@ -8033,9 +8033,9 @@ keccak@^3.0.0:
     node-gyp-build "^4.2.0"
 
 keypair@^1.0.1:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/keypair/-/keypair-1.0.3.tgz#4314109d94052a0acfd6b885695026ad29529c80"
-  integrity sha512-0wjZ2z/SfZZq01+3/8jYLd8aEShSa+aat1zyPGQY3IuKoEAp6DJGvu2zt6snELrQU9jbCkIlCyNOD7RdQbHhkQ==
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/keypair/-/keypair-1.0.4.tgz#a749a45f388593f3950f18b3757d32a93bd8ce83"
+  integrity sha512-zwhgOhhniaL7oxMgUMKKw5219PWWABMO+dgMnzJOQ2/5L3XJtTJGhW2PEXlxXj9zaccdReZJZ83+4NPhVfNVDg==
 
 keypather@^1.10.2:
   version "1.10.2"