Dependency ownership refinements (#205937)

## Summary

This PR assigns owners for dependencies that are not yet claimed. These
assignments were a "best effort", and will likely need tweaking once
downstream teams start receiving renovate PRs.

package.json

@@ -1653,7 +1653,6 @@
     "@types/react-window-infinite-loader": "^1.0.9",
     "@types/redux-actions": "^2.6.1",
     "@types/resolve": "^1.20.1",
-    "@types/scheduler": "^0.23.0",
     "@types/seedrandom": ">=2.0.0 <4.0.0",
     "@types/selenium-webdriver": "^4.1.27",
     "@types/semver": "^7.5.8",

packages/kbn-dependency-ownership/src/rule.ts

@@ -32,8 +32,11 @@ export function packageFilter(pkg: string) {
   return (
     // @kbn-* packages are internal to this repo, and do not require ownership via renovate
     !pkg.startsWith('@kbn/') &&
-    // The EUI team owns the EUI package, and it is not covered by renovate
-    pkg !== '@elastic/eui'
+    // The EUI team owns the EUI packages, and are not covered by renovate
+    pkg !== '@elastic/eui' &&
+    pkg !== '@elastic/eui-theme-borealis' &&
+    // Operations owns node, and is not covered by renovate
+    pkg !== '@types/node'
   );
 }