Bump brace-expansion from 1.1.11 to 1.1.12 in /examples/reactnative

Bumps [brace-expansion](https://github.com/juliangruber/brace-expansion) from 1.1.11 to 1.1.12.
- [Release notes](https://github.com/juliangruber/brace-expansion/releases)
- [Commits](juliangruber/brace-expansion@1.1.11...v1.1.12)

---
updated-dependencies:
- dependency-name: brace-expansion
  dependency-version: 1.1.12
  dependency-type: indirect
...

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

Author: dependabot[bot]

examples/reactnative/package-lock.json

@@ -1798,8 +1798,8 @@ bl@^4.1.0:
     readable-stream "^3.4.0"
 
 brace-expansion@^1.1.7:
-  version "1.1.11"
-  resolved "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz"
+  version "1.1.12"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.12.tgz#ab9b454466e5a8cc3a187beaad580412a9c5b843"
   dependencies:
     balanced-match "^1.0.0"
     concat-map "0.0.1"