chore(deps): update dependency apollo-datasource to ^0.6.0 (apollographql#1409)

Author: renovate[bot]

package-lock.json

@@ -20,7 +20,7 @@
     "@apollographql/apollo-tools": "file:../apollo-tools",
     "@apollographql/graphql-language-service-interface": "^2.0.2",
     "@endemolshinegroup/cosmiconfig-typescript-loader": "^1.0.0",
-    "apollo-datasource": "^0.5.0",
+    "apollo-datasource": "^0.6.0",
     "apollo-env": "file:../apollo-env",
     "apollo-link": "^1.2.3",
     "apollo-link-context": "^1.0.9",