Bump semver from 5.5.0 to 5.7.2 (#39)

Bumps [semver](https://github.com/npm/node-semver) from 5.5.0 to 5.7.2.
- [Release notes](https://github.com/npm/node-semver/releases)
- [Changelog](https://github.com/npm/node-semver/blob/v5.7.2/CHANGELOG.md)
- [Commits](npm/node-semver@v5.5.0...v5.7.2)

---
updated-dependencies:
- dependency-name: semver
  dependency-type: indirect
...

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

yarn.lock

@@ -3261,8 +3261,8 @@ scheduler@^0.12.0:
     object-assign "^4.1.1"
 
 "semver@2 || 3 || 4 || 5", semver@^5.3.0, semver@^5.4.1:
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.0.tgz#dc4bbc7a6ca9d916dee5d43516f0092b58f7b8ab"
+  version "5.7.2"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.2.tgz#48d55db737c3287cd4835e17fa13feace1c41ef8"
 
 set-blocking@^2.0.0, set-blocking@~2.0.0:
   version "2.0.0"