default.xml: Bump meta-virtualization revision

* 33eec78 : ceph: upgrade v15.2.15 -> v15.2.17 - sakib.sajal@windriver.com
* 406eb64 : singularity: Drop explicit runtime dep glibc - Andrei Gherzan

Signed-off-by: Pavel Zhukov <pavel.zhukov@huawei.com>

manifests/default.xml

@@ -40,7 +40,7 @@ SPDX-FileCopyrightText: Huawei Inc.
 	<project name="meta-java" remote="yocto" revision="1a8059f6b257ebe6fcae6416e499784d976afd24" path="meta-java" />
 	<project name="jiazhang0/meta-secure-core" remote="github" revision="def57bd5e00d7610e7fdaa3f96a50520f790e7a2" path="meta-secure-core" />
 	<project name="pub/rockchip/meta-seco-rockchip" remote="seco" revision="e23ef0581b26636351e3194edb8ec65cca830542" path="meta-seco-rockchip" />
-	<project name="meta-virtualization" remote="yocto" revision="26a361a39ff5ab6fae22efbdc582f84d13330ba2" path="meta-virtualization" />
+	<project name="meta-virtualization" remote="yocto" revision="33eec78a244174a13fb222982f0051113ef618a4" path="meta-virtualization" />
 
 	<!--
 		All entries above are pinned to a specific revision and updated manually.