Bump flow-bin from 0.130.0 to 0.131.0 in /token/js (solana-labs#232)

Bumps [flow-bin](https://github.com/flowtype/flow-bin) from 0.130.0 to 0.131.0.
- [Release notes](https://github.com/flowtype/flow-bin/releases)
- [Commits](https://github.com/flowtype/flow-bin/commits)

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

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

token/js/package.json

@@ -63,7 +63,7 @@
     "babel-eslint": "^10.1.0",
     "eslint": "^7.4.0",
     "eslint-plugin-import": "^2.22.0",
-    "flow-bin": "0.130.0",
+    "flow-bin": "0.131.0",
     "flow-typed": "^3.2.0",
     "mz": "^2.7.0",
     "prettier": "^2.0.5",