fix(renovate): use shared config

renovate.json

@@ -1,57 +1,3 @@
 {
-  "extends": ["config:base"],
-  "packageRules": [
-    {
-      "packagePatterns": ["*"],
-      "rangeStrategy": "update-lockfile"
-    },
-    {
-      "depTypeList": ["devDependencies"],
-      "rangeStrategy": "pin"
-    },
-    {
-      "depTypeList": ["peerDependencies"],
-      "rangeStrategy": "widen"
-    },
-    {
-      "packageNames": ["eslint-plugin-prettier"],
-      "matchCurrentVersion": "2.6.0"
-    },
-    {
-      "packageNames": [
-        "broccoli-asset-rev",
-        "ember-ajax",
-        "ember-cli-babel",
-        "ember-cli-dependency-checker",
-        "ember-cli-eslint",
-        "ember-cli-eslint",
-        "ember-cli-fastboot",
-        "ember-cli-htmlbars-inline-precompile",
-        "ember-cli-htmlbars",
-        "ember-cli-inject-live-reload",
-        "ember-cli-qunit",
-        "ember-cli-release",
-        "ember-cli-shims",
-        "ember-cli-sri",
-        "ember-cli-template-lint",
-        "ember-cli-uglify",
-        "ember-cli",
-        "ember-disable-prototype-extensions",
-        "ember-export-application-global",
-        "ember-load-initializers",
-        "ember-maybe-import-regenerator",
-        "ember-qunit",
-        "ember-resolver",
-        "ember-source",
-        "ember-source-channel-url",
-        "ember-try",
-        "eslint-plugin-ember",
-        "eslint-plugin-node",
-        "loader.js",
-        "qunit-dom"
-      ],
-      "groupName": "ember infrastructure",
-      "groupSlug": "ember-infra"
-    }
-  ]
+  "extends": ["github>projectcaluma/renovate-config"]
 }