Bump flow-parser from 0.135.0 to 0.156.0 (#965)

Bumps [flow-parser](https://github.com/facebook/flow) from 0.135.0 to 0.156.0.
- [Release notes](https://github.com/facebook/flow/releases)
- [Changelog](https://github.com/facebook/flow/blob/master/Changelog.md)
- [Commits](facebook/flow@v0.135.0...v0.156.0)

package.json

@@ -58,7 +58,7 @@
     "@typescript-eslint/parser": "^4.9.1",
     "eslint": "^7.1.0",
     "esprima-fb": "15001.1001.0-dev-harmony-fb",
-    "flow-parser": "0.135.0",
+    "flow-parser": "0.156.0",
     "glob": "7.1.6",
     "lint-staged": "^10.2.6",
     "mocha": "8.2.1",