Fix windshaft version to 3.0.0 to avoid warning message while starting the service

package.json

@@ -39,7 +39,7 @@
     "step-profiler": "~0.3.0",
     "turbo-carto": "0.19.0",
     "underscore": "~1.6.0",
-    "windshaft": "^3.0.0",
+    "windshaft": "3.0.0",
     "yargs": "~5.0.0"
   },
   "devDependencies": {

yarn.lock

@@ -2,7 +2,7 @@
 # yarn lockfile v1
 
 
-abaculus@cartodb/abaculus#2.0.3-cdb1:
+"abaculus@github:cartodb/abaculus#2.0.3-cdb1":
   version "2.0.3-cdb1"
   resolved "https://codeload.github.com/cartodb/abaculus/tar.gz/f5f34e1c80cdd8d49edd1d6fe3b2220ab2e23aaf"
   dependencies:
@@ -198,7 +198,7 @@ camshaft@0.50.3:
     dot "^1.0.3"
     request "^2.69.0"
 
-canvas@cartodb/node-canvas#1.6.2-cdb2:
+"canvas@github:cartodb/node-canvas#1.6.2-cdb2":
   version "1.6.2-cdb2"
   resolved "https://codeload.github.com/cartodb/node-canvas/tar.gz/8acf04557005c633f9e68524488a2657c04f3766"
   dependencies:
@@ -224,7 +224,7 @@ carto@CartoDB/carto#0.15.1-cdb1:
     optimist "~0.6.0"
     underscore "~1.6.0"
 
-carto@cartodb/carto#0.15.1-cdb3:
+"carto@github:cartodb/carto#0.15.1-cdb3":
   version "0.15.1-cdb3"
   resolved "https://codeload.github.com/cartodb/carto/tar.gz/945f5efb74fd1af1f5e1f69f409f9567f94fb5a7"
   dependencies:
@@ -1988,7 +1988,7 @@ through@2:
   version "2.3.8"
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
 
-tilelive-bridge@cartodb/tilelive-bridge#2.3.1-cdb1:
+"tilelive-bridge@github:cartodb/tilelive-bridge#2.3.1-cdb1":
   version "2.3.1-cdb1"
   resolved "https://codeload.github.com/cartodb/tilelive-bridge/tar.gz/3f76c278c782e93d79045870387a0a06bace720b"
   dependencies:
@@ -1996,7 +1996,7 @@ tilelive-bridge@cartodb/tilelive-bridge#2.3.1-cdb1:
     mapnik-pool "~0.1.3"
     sphericalmercator "1.0.x"
 
-tilelive-mapnik@cartodb/tilelive-mapnik#0.6.18-cdb1:
+"tilelive-mapnik@github:cartodb/tilelive-mapnik#0.6.18-cdb1":
   version "0.6.18-cdb1"
   resolved "https://codeload.github.com/cartodb/tilelive-mapnik/tar.gz/cf7e5b4633db653a889a6c6e6a5ddcbcf4ddc3b5"
   dependencies:
@@ -2152,7 +2152,7 @@ window-size@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/window-size/-/window-size-0.2.0.tgz#b4315bb4214a3d7058ebeee892e13fa24d98b075"
 
-windshaft@^3.0.0:
+windshaft@3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/windshaft/-/windshaft-3.0.0.tgz#45e2e0b755e3f984fa26bf5f03ee97dcc4484183"
   dependencies: