Update dependency gulp-rename to v2

Author: renovate[bot]

package.json

@@ -61,7 +61,7 @@
     "gulp-concat": "^2.6.1",
     "gulp-filter": "^5.1.0",
     "gulp-hub": "^4.2.0",
-    "gulp-rename": "^1.2.2",
+    "gulp-rename": "^2.0.0",
     "gulp-svgmin": "^1.2.4",
     "gulp-svgstore": "^6.1.1",
     "material-design-icons": "^3.0.1",