OCPBUGS-55031: Fix ClusterUserDefinedNetwork example

[palonsoro]

Its matchLabels section was depicted as an array, but it must be a dictionary

Version(s):

4.18, 4.17

Issue:

• https://issues.redhat.com/browse/OCPBUGS-55031

Link to docs preview:

• https://92194--ocpdocs-pr.netlify.app/openshift-enterprise/latest/networking/multiple_networks/primary_networks/about-user-defined-networks.html

QE review:

• QE has approved this change.

Additional information:

[openshift-ci-robot]

@palonsoro: This pull request references Jira Issue OCPBUGS-55031, which is invalid:

• expected the bug to target the "4.19.0" version, but no target version was set

Comment /jira refresh to re-evaluate validity if changes to the Jira bug are made, or edit the title of this pull request to link to a different bug.

The bug has been updated to refer to the pull request using the external bug tracker.

In response to this:

Its matchLabels section was depicted as an array, but it must be a dictionary

Version(s):

4.18, 4.17

Issue:

• https://issues.redhat.com/browse/OCPBUGS-55031

Link to docs preview:

• N/A

QE review:

• QE has approved this change.

Additional information:

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

[ocpdocs-previewbot]

🤖 Tue Apr 15 14:46:49 - Prow CI generated the docs preview:

https://92194--ocpdocs-pr.netlify.app/openshift-enterprise/latest/networking/multiple_networks/primary_networks/about-user-defined-networks.html

[palonsoro]

@zhaozhanqi can you PTAL when possible? Thanks in advance.

[asood-rh]

/lgtm