[JENKINS-75976] Use proper URI for ssh resolved repositories

[wyd-leonteq]

To remove the following warning:

WARNING c.c.j.p.d.scmurl.ScmInfoResolver#scmUri: SCM URL (provider git) is not a valid URI and will be ignored: git@host:org/repo.git

Description

A brief summary describing the changes in this pull request. See
JENKINS-75976 for further information.

Submitter checklist

• Link to JIRA ticket in description, if appropriate.
• Change is code complete and matches issue description
• Automated tests have been added to exercise the changes
• Reviewer's manual test instructions provided in PR description. See Reviewer's first task below.

Reviewer checklist

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

Documentation changes

• Link to jenkins.io PR, or an explanation for why no doc changes are needed

Users/aliases to notify