chore(config): migrate renovate config (#244)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Cody Olsen <81981+stipsan@users.noreply.github.com>

Author: renovate[bot]

renovate.json

@@ -1,6 +1,6 @@
 {
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
-  "extends": ["github>sanity-io/renovate-presets//ecosystem/auto", ":reviewer(team:ecosystem)"],
+  "extends": ["github>sanity-io/renovate-config", ":reviewer(team:ecosystem)"],
   "packageRules": [
     {
       "matchPackageNames": ["gatsby-source-sanity"],
@@ -9,7 +9,7 @@
     },
     {
       "description": "Dependency updates to other package jsons than the root should always use the chore scope as they aren't published to npm",
-      "matchFiles": ["examples/blog/package.json"],
+      "matchFileNames": ["examples/blog/package.json"],
       "extends": [":semanticCommitTypeAll(chore)"],
       "groupSlug": "examples"
     }