Update windshaft to released version 6.0.0

package-lock.json

@@ -165,8 +165,9 @@
       }
     },
     "@carto/cartonik": {
-      "version": "github:cartodb/cartonik#015a6f8a16100fff5267bbd56eea5c98ffbbeed3",
-      "from": "github:cartodb/cartonik#preview-promises",
+      "version": "0.8.0",
+      "resolved": "https://registry.npmjs.org/@carto/cartonik/-/cartonik-0.8.0.tgz",
+      "integrity": "sha512-avB1IyTxy04lN2lyyUdQPhCPRHTH4IcauhUOVFlhLOrQhxbkfrf/VXdE8dJsdlI4w6U1pTiHpiq++5+yZr2gyQ==",
       "requires": {
         "@carto/mapnik": "3.6.2-carto.16",
         "@mapbox/sphericalmercator": "^1.1.0",
@@ -6618,10 +6619,11 @@
       "integrity": "sha1-tDFbtCFKPXBY6+7okuE/ok2YsHU="
     },
     "windshaft": {
-      "version": "github:cartodb/windshaft#3a1b29d2531f7b8cb6b6be2e98f2fa5d529e294f",
-      "from": "github:cartodb/windshaft#get-tile-promises",
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/windshaft/-/windshaft-6.0.0.tgz",
+      "integrity": "sha512-7GnPRZsJuHEnwC/Yp+QvMIyK/EhLqABs2RNz0iQsShqS5gdsxHCIp+koG2r31ujrl4T8JDFCT5Y2Q4yQC70EaA==",
       "requires": {
-        "@carto/cartonik": "github:cartodb/cartonik#preview-promises",
+        "@carto/cartonik": "^0.8.0",
         "@carto/mapnik": "3.6.2-carto.16",
         "canvas": "^2.4.1",
         "carto": "github:cartodb/carto#0.15.1-cdb5",

package.json

@@ -60,7 +60,7 @@
     "step-profiler": "0.3.0",
     "turbo-carto": "0.21.2",
     "underscore": "1.6.0",
-    "windshaft": "github:cartodb/windshaft#get-tile-promises",
+    "windshaft": "^6.0.0",
     "yargs": "11.1.0"
   },
   "devDependencies": {