fix: remove environment variable truncation (closes #53)

Environment variables longer than 80 characters were being truncated with
"..." which made it impossible to see the full values. Remove this
truncation to display complete environment variable values regardless of
length.

Author: vertti

src/lazy_ecs/features/container/ui.py

@@ -236,8 +236,7 @@ def show_container_environment_variables(self, cluster_name: str, task_arn: str,
         sorted_vars = sorted(env_vars.items())
 
         for name, value in sorted_vars:
-            display_value = value if len(value) <= 80 else f"{value[:77]}..."
-            console.print(f"{name}={display_value}", style="white")
+            console.print(f"{name}={value}", style="white")
 
         console.print("=" * 60, style="dim")
         console.print(f"📊 Total: {len(env_vars)} environment variables", style="blue")