JENKINS-45748 Blue Ocean display URL provider

[i386]

Upgrade to Blue Ocean display URL provider 2.1.0

Description

Just bumping the POM to incorporate jenkinsci/blueocean-display-url-plugin#8

See JENKINS-45748.

Submitter checklist

• Link to JIRA ticket in description, if appropriate.
• Change is code complete and matches issue description
• Appropriate unit or acceptance tests or explanation to why this change has no tests
• Reviewer's manual test instructions provided in PR description. See Reviewer's first task below.

Reviewer checklist

• Run the changes and verified the change matches the issue description
• Reviewed the code
• Verified that the appropriate tests have been written or valid explanation given

[michaelneale]

🐝