Bump @types/node from 12.7.5 to 12.7.7 in /app

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 12.7.5 to 12.7.7.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node)

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

app/package.json

@@ -48,7 +48,7 @@
   },
   "devDependencies": {
     "@types/mz": "0.0.32",
-    "@types/node": "^12.7.5",
+    "@types/node": "^12.7.7",
     "node-abi": "^2.11.0"
   }
 }

app/yarn.lock

@@ -65,10 +65,10 @@
   dependencies:
     "@types/node" "*"
 
-"@types/node@*", "@types/node@^12.7.5":
-  version "12.7.5"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.7.5.tgz#e19436e7f8e9b4601005d73673b6dc4784ffcc2f"
-  integrity sha512-9fq4jZVhPNW8r+UYKnxF1e2HkDWOWKM5bC2/7c9wPV835I0aOrVbS/Hw/pWPk2uKrNXQqg9Z959Kz+IYDd5p3w==
+"@types/node@*", "@types/node@^12.7.7":
+  version "12.7.7"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.7.7.tgz#f9bd8c00fa9e1a8129af910fc829f6139c397d6c"
+  integrity sha512-4jUncNe2tj1nmrO/34PsRpZqYVnRV1svbU78cKhuQKkMntKB/AmdLyGgswcZKjFHEHGpiY8pVD8CuVI55nP54w==
 
 "@types/node@^10.12.18":
   version "10.12.18"