Bump semver from 6.3.0 to 7.1.1 in /terminus-plugin-manager

Bumps [semver](https://github.com/npm/node-semver) from 6.3.0 to 7.1.1.
- [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/v6.3.0...v7.1.1)

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

terminus-plugin-manager/package.json

@@ -20,7 +20,7 @@
     "@types/semver": "^6.0.0",
     "axios": "^0.19.0",
     "mz": "^2.6.0",
-    "semver": "^6.1.0"
+    "semver": "^7.1.1"
   },
   "peerDependencies": {
     "@angular/common": "^7",

terminus-plugin-manager/yarn.lock

@@ -58,10 +58,10 @@ object-assign@^4.0.1:
   resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
   integrity sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM=
 
-semver@^6.1.0:
-  version "6.3.0"
-  resolved "https://registry.yarnpkg.com/semver/-/semver-6.3.0.tgz#ee0a64c8af5e8ceea67687b133761e1becbd1d3d"
-  integrity sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==
+semver@^7.1.1:
+  version "7.1.1"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-7.1.1.tgz#29104598a197d6cbe4733eeecbe968f7b43a9667"
+  integrity sha512-WfuG+fl6eh3eZ2qAf6goB7nhiCd7NPXhmyFxigB/TOkQyeLP8w8GsVehvtGNtnNmyboz4TgeK40B1Kbql/8c5A==
 
 thenify-all@^1.0.0:
   version "1.6.0"