[crd-schema-checker] disable NoMaps validator

Related: https://issues.redhat.com/browse/OSPRH-12254

hack/crd-schema-checker.sh

@@ -3,6 +3,13 @@ set -euxo pipefail
 
 CHECKER=$INSTALL_DIR/crd-schema-checker
 
+DISABLED_VALIDATORS=NoMaps # TODO: https://issues.redhat.com/browse/OSPRH-12254
+
+CHECKER_ARGS=""
+if [[ ${DISABLED_VALIDATORS:+x} ]]; then
+    CHECKER_ARGS="$CHECKER_ARGS --disabled-validators $DISABLED_VALIDATORS"
+fi
+
 TMP_DIR=$(mktemp -d)
 
 function cleanup {
@@ -16,6 +23,7 @@ for crd in config/crd/bases/*.yaml; do
     mkdir -p "$(dirname "$TMP_DIR/$crd")"
     if git show "$BASE_REF:$crd" > "$TMP_DIR/$crd"; then
         $CHECKER check-manifests \
+            $CHECKER_ARGS \
             --existing-crd-filename="$TMP_DIR/$crd" \
             --new-crd-filename="$crd"
     fi