Update dependency semver to v5.6.0

#20

Author: renovate[bot]

package.json

@@ -14,7 +14,7 @@
   },
   "dependencies": {
     "probot": "^7.0.1",
-    "semver": "5.5.1"
+    "semver": "5.6.0"
   },
   "devDependencies": {
     "eslint": "^5.3.0",

yarn.lock

@@ -3630,9 +3630,9 @@ sax@^1.2.4:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.0.tgz#dc4bbc7a6ca9d916dee5d43516f0092b58f7b8ab"
 
-semver@5.5.1:
-  version "5.5.1"
-  resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.1.tgz#7dfdd8814bdb7cabc7be0fb1d734cfb66c940477"
+semver@5.6.0:
+  version "5.6.0"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.6.0.tgz#7e74256fbaa49c75aa7c7a205cc22799cac80004"
 
 [email protected]:
   version "0.16.2"