Enable NoNewRequiredFields in crd-schema-checker

It was disabled with 553fc53.
We should not add this setting in the script. If required, we should
override the job to allow a wanted change in that regard.

Signed-off-by: Martin Schuppert <[email protected]>

Author: stuggi

hack/crd-schema-checker.sh

@@ -3,7 +3,7 @@ set -euxo pipefail
 
 CHECKER=$INSTALL_DIR/crd-schema-checker
 
-DISABLED_VALIDATORS=NoMaps,NoBools,ListsMustHaveSSATags,NoNewRequiredFields # TODO: https://issues.redhat.com/browse/OSPRH-12254
+DISABLED_VALIDATORS=NoMaps,NoBools,ListsMustHaveSSATags # TODO: https://issues.redhat.com/browse/OSPRH-12254
 
 CHECKER_ARGS=""
 if [[ ${DISABLED_VALIDATORS:+x} ]]; then