Update verdaccio and lint-staged to fix security warnings

package.json

@@ -53,7 +53,7 @@
     "jest": "^24.7.1",
     "json3": "^3.3.2",
     "lerna": "^3.14.1",
-    "lint-staged": "^6.1.1",
+    "lint-staged": "^8.1.7",
     "minify-stream": "^1.2.0",
     "mkdirp": "0.5.1",
     "multi-glob": "^1.0.2",
@@ -76,7 +76,7 @@
     "touch": "^3.1.0",
     "tsify": "^4.0.1",
     "typescript": "^3.4.5",
-    "verdaccio": "^3.11.6",
+    "verdaccio": "^3.12.0",
     "watchify": "^3.11.1",
     "wdio-mocha-framework": "^0.6.4",
     "wdio-sauce-service": "^0.4.14",