chore: bump eslint-plugin-flowtype from 5.2.0 to 5.4.0 (#83)

Bumps [eslint-plugin-flowtype](https://github.com/gajus/eslint-plugin-flowtype) from 5.2.0 to 5.4.0.
- [Release notes](https://github.com/gajus/eslint-plugin-flowtype/releases)
- [Commits](gajus/eslint-plugin-flowtype@v5.2.0...v5.4.0)

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

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

yarn.lock

@@ -2750,9 +2750,9 @@ eslint-module-utils@^2.6.0:
     pkg-dir "^2.0.0"
 
 eslint-plugin-flowtype@^5.2.0:
-  version "5.2.0"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-flowtype/-/eslint-plugin-flowtype-5.2.0.tgz#a4bef5dc18f9b2bdb41569a4ab05d73805a3d261"
-  integrity sha512-z7ULdTxuhlRJcEe1MVljePXricuPOrsWfScRXFhNzVD5dmTHWjIF57AxD0e7AbEoLSbjSsaA5S+hCg43WvpXJQ==
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-flowtype/-/eslint-plugin-flowtype-5.4.0.tgz#a559526e56403cb97b470b524957fc526e2485fe"
+  integrity sha512-O0s0iTT5UxYuoOpHMLSIO2qZMyvrb9shhk1EM5INNGtJ2CffrfUmsnh6TVsnoT41fkXIEndP630WNovhoO87xQ==
   dependencies:
     lodash "^4.17.15"
     string-natural-compare "^3.0.1"