Containerfile: fix io.openshift.tags

Trivial drive-by to update
LABEL io.openshift.tags="base fedora40" -> 42

Author: mvo5

Containerfile

@@ -28,5 +28,5 @@ VOLUME /var/lib/containers/storage
 LABEL description="This tools allows to build and deploy disk-images from bootc container inputs."
 LABEL io.k8s.description="This tools allows to build and deploy disk-images from bootc container inputs."
 LABEL io.k8s.display-name="Bootc Image Builder"
-LABEL io.openshift.tags="base fedora40"
+LABEL io.openshift.tags="base fedora42"
 LABEL summary="A container to create disk-images from bootc container inputs"