Bump brace-expansion from 2.0.2 to 2.0.3 in /functions (#14)

Bumps [brace-expansion](https://github.com/juliangruber/brace-expansion) from 2.0.2 to 2.0.3.
- [Release notes](https://github.com/juliangruber/brace-expansion/releases)
- [Commits](juliangruber/brace-expansion@v2.0.2...v2.0.3)

---
updated-dependencies:
- dependency-name: brace-expansion
  dependency-version: 2.0.3
  dependency-type: indirect
...

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Author: dependabot[bot]

functions/yarn.lock

@@ -466,9 +466,9 @@ body-parser@1.20.3:
     unpipe "1.0.0"
 
 brace-expansion@^2.0.1:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-2.0.2.tgz#54fc53237a613d854c7bd37463aad17df87214e7"
-  integrity sha512-Jt0vHyM+jmUBqojB7E1NIYadt0vI0Qxjxd2TErW94wDz+E2LAm5vKMXXwg6ZZBTHPuUlDgQHKXvjGBdfcF1ZDQ==
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-2.0.3.tgz#0493338bdd58e319b1039c67cf7ee439892c01d9"
+  integrity sha512-MCV/fYJEbqx68aE58kv2cA/kiky1G8vux3OR6/jbS+jIMe/6fJWa0DTzJU7dqijOWYwHi1t29FlfYI9uytqlpA==
   dependencies:
     balanced-match "^1.0.0"