Update Windshaft to 4.5.6

NEWS.md

@@ -2,7 +2,7 @@
 
 ## 5.4.0
 Released yyyy-mm-dd
- - Upgrades Windshaft to 4.5.5 ([Mapnik top metrics](https://github.com/CartoDB/Windshaft/pull/597), [AttributesBackend allows multiple features if all the attributes are the same](https://github.com/CartoDB/Windshaft/pull/602))
+ - Upgrades Windshaft to 4.5.6 ([Mapnik top metrics](https://github.com/CartoDB/Windshaft/pull/597), [AttributesBackend allows multiple features if all the attributes are the same](https://github.com/CartoDB/Windshaft/pull/602))
  - Implemented middleware to authorize users via new Api Key system
  - Keep the old authorization system as fallback
  - Aggregation widget: Remove NULL categories in 'count' aggregations too

package.json

@@ -48,7 +48,7 @@
     "step-profiler": "~0.3.0",
     "turbo-carto": "0.20.2",
     "underscore": "~1.6.0",
-    "windshaft": "4.5.5",
+    "windshaft": "4.5.6",
     "yargs": "~5.0.0"
   },
   "devDependencies": {

yarn.lock

@@ -2400,9 +2400,9 @@ window-size@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/window-size/-/window-size-0.2.0.tgz#b4315bb4214a3d7058ebeee892e13fa24d98b075"
 
-windshaft@4.5.5:
-  version "4.5.5"
-  resolved "https://registry.yarnpkg.com/windshaft/-/windshaft-4.5.5.tgz#a737ef16b737ffd36ed9184b4b2a4d30f737747b"
+windshaft@4.5.6:
+  version "4.5.6"
+  resolved "https://registry.yarnpkg.com/windshaft/-/windshaft-4.5.6.tgz#566c635f25e4dfc18b46cffe1b22b8c9626f8295"
   dependencies:
     "@carto/mapnik" "3.6.2-carto.2"
     "@carto/tilelive-bridge" cartodb/tilelive-bridge#2.5.1-cdb3