Failed deployment message missing a trailing slash in server task URL

[susanpann]

The Octopus URL is missing a trailing slash after the virtual directory when linking to a failed task

Reported in ADO/TFS plugin v6.0.599

Example:

2024-01-01T00:00:14.0000000Z Deployment to environment 'Environment-389' did not complete successfully
2024-01-01T00:00:14.0000001Z ##[warning]Failed: https://example.octopus.com/ExampleDeploymentsapp#/Spaces-1/tasks/ServerTasks-1

The message should read:
Failed: https://example.octopus.com/ExampleDeployments/app#/Spaces-1/tasks/ServerTasks-1

The plugin is working as expected; it's just a cosmetic issue.