fix: resolve CI/CD issues - fixed workflow model, timer API, and type annotations

- src/ui/components/cards.py: Changed WorkflowCard to use WorkflowRunModel with correct attributes
- src/models/__init__.py: Added WorkflowRunModel to exports
- src/ui/screens/dashboard.py: Fixed timer API for Textual 0.52 compatibility
- src/ui/components/loading.py: Renamed _animate to _spin for signature override
- src/git/status.py: Added type annotation 'str | None' to remote_name variable

src/ui/components/cards.py

@@ -1,7 +1,7 @@
 """Card components for DevDash."""
 from textual.widgets import Static
 
-from src.models import IssueModel, PullRequestModel, WorkflowModel
+from src.models import IssueModel, PullRequestModel, WorkflowRunModel
 
 
 class PullRequestCard(Static):
@@ -115,7 +115,7 @@ class WorkflowCard(Static):
     }
     """
 
-    def __init__(self, workflow: WorkflowModel):
+    def __init__(self, workflow: WorkflowRunModel):
         """Initialize workflow card.
 
         Args: