fix(dependencies): switching @semantic-release/gitlab for @semantic-release/github

Author: Dimitri Kopriwa

package.json

@@ -44,7 +44,7 @@
     "@semantic-release/changelog": "^3.0.6",
     "@semantic-release/exec": "^3.3.8",
     "@semantic-release/git": "^7.0.18",
-    "@semantic-release/gitlab": "^4.0.4",
+    "@semantic-release/github": "^5.5.5",
     "@semantic-release/npm": "^5.3.4",
     "babel-jest": "^24.9.0",
     "babel-loader": "^8.0.6",