MT#55283 exclude uring from bullseye builds

Change-Id: I6275765a235c2beda77e9078d8e3a31e5841e664

pkg/deb/backports/bullseye

@@ -11,6 +11,9 @@ fi
 rm -rf ${DIST}
 cp -r debian ${DIST}
 
+# No liburing-dev package (too old)
+sed -i -e '/liburing-dev/d' ${DIST}/control
+
 # dkms stuff (see MT#56627)
 cp old-dkms/rtpengine-kernel-dkms.postinst "${DIST}"/
 cp old-dkms/rtpengine-kernel-dkms.prerm "${DIST}"/