KEP-3331: update kep latest milestone to v1.33

Signed-off-by: Anish Ramasekar <[email protected]>

Author: aramase

keps/sig-auth/3331-structured-authentication-configuration/kep.yaml

@@ -12,7 +12,7 @@ approvers:
 creation-date: "2022-06-02"
 status: implementable
 stage: beta
-latest-milestone: "v1.32"
+latest-milestone: "v1.33"
 milestone:
   alpha: "v1.29"
   beta: "v1.30"