Fix module complete: correct SrcCommand import path

Changed import from `.src` to `..src` since SrcCommand is in
tito/commands/src.py not tito/commands/module/src.py

This fixes the "No module named 'tito.commands.module.src'" error
when running `tito module complete`.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

tito/commands/module/workflow.py

@@ -768,7 +768,7 @@ class ModuleWorkflowCommand(BaseCommand):
         """Export module to the TinyTorch package."""
         try:
             # Use the new source command for exporting
-            from .src import SrcCommand
+            from ..src import SrcCommand
             
             fake_args = Namespace()
             fake_args.src_command = 'export'  # Subcommand