An option to delete a workflow run

**Is your feature request related to a problem? Please describe.**
I think it would be great if we could delete a workflow run, the same way we can delete a variable/secret from the VS Code.

**Describe the solution you'd like**
A delete button to the right of the run.

**Additional context**
None

Start at the workflow-run list and compare it with the existing variable or secret deletion UI mentioned in the issue. Add the requested delete control to the right of a run and verify that deleting a run removes it from the list.

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