correct PRR stage in PRR yaml

BenTheElder · BenTheElder · commit 8487b0605663 · 2021-02-09T12:04:45.000-08:00
diff --git a/keps/prod-readiness/sig-testing/2420.yaml b/keps/prod-readiness/sig-testing/2420.yaml
@@ -1,3 +1,3 @@
 kep-number: 2420
-stable:
+beta:
   approver: "@johnbelamaric"

-Original file line number
+Diff line change
@@ @@ -1,3 +1,3 @@ @@
 kep-number: 2420
 -stable:
 +beta:
   approver: "@johnbelamaric"