Bump semver from 6.1.1 to 6.1.2 in /terminus-plugin-manager

Bumps [semver](https://github.com/npm/node-semver) from 6.1.1 to 6.1.2.
- [Release notes](https://github.com/npm/node-semver/releases)
- [Changelog](https://github.com/npm/node-semver/blob/master/CHANGELOG.md)
- [Commits](https://github.com/npm/node-semver/compare/v6.1.1...v6.1.2)

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

terminus-plugin-manager/yarn.lock

@@ -882,9 +882,9 @@ sax@~1.2.1:
   integrity sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw==
 
 semver@^6.1.0:
-  version "6.1.1"
-  resolved "https://registry.yarnpkg.com/semver/-/semver-6.1.1.tgz#53f53da9b30b2103cd4f15eab3a18ecbcb210c9b"
-  integrity sha512-rWYq2e5iYW+fFe/oPPtYJxYgjBm8sC4rmoGdUOgBB7VnwKt6HrL793l2voH1UlsyYZpJ4g0wfjnTEO1s1NP2eQ==
+  version "6.1.2"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-6.1.2.tgz#079960381376a3db62eb2edc8a3bfb10c7cfe318"
+  integrity sha512-z4PqiCpomGtWj8633oeAdXm1Kn1W++3T8epkZYnwiVgIYIJ0QHszhInYSJTYxebByQH7KVCEAn8R9duzZW2PhQ==
 
 sort-keys@^1.0.0:
   version "1.1.2"