chore(deps): update dependency dgeni-packages to v0.28.4

Author: renovate-bot

package-lock.json

@@ -58,7 +58,7 @@
     "codelyzer": "5.2.2",
     "concurrently": "5.2.0",
     "dgeni": "0.4.12",
-    "dgeni-packages": "0.28.3",
+    "dgeni-packages": "0.28.4",
     "jasmine-core": "3.5.0",
     "jasmine-spec-reporter": "5.0.2",
     "karma": "5.1.0",