release: change v10 rc.0 to next.2 due to issue uncovered in pre-release testing (#19453)

Author: jelbourn

CHANGELOG.md

@@ -1,4 +1,4 @@
-# 10.0.0-rc.0 "wool-wind" (2020-05-26)
+# 10.0.0-next.2 "wool-wind" (2020-05-26)
 
 ### cdk
 

package.json

@@ -46,7 +46,7 @@
     "merge": "ng-dev pr merge",
     "approve-api": "node ./scripts/approve-api-golden.js"
   },
-  "version": "10.0.0-rc.0",
+  "version": "10.0.0-next.2",
   "dependencies": {
     "@angular/animations": "^10.0.0-rc.0",
     "@angular/common": "^10.0.0-rc.0",