fix(package): update @fortawesome/angular-fontawesome to version 0.4.0

Author: greenkeeper[bot]

package.json

@@ -49,7 +49,7 @@
 		"@angular/pwa": "0.800.0-rc.4",
 		"@angular/router": "8.0.0-rc.4",
 		"@angular/service-worker": "8.0.0-rc.4",
-		"@fortawesome/angular-fontawesome": "^0.3.0",
+		"@fortawesome/angular-fontawesome": "^0.4.0",
 		"@fortawesome/fontawesome-svg-core": "^1.2.18",
 		"@fortawesome/free-brands-svg-icons": "^5.8.2",
 		"@fortawesome/free-solid-svg-icons": "^5.8.2",