🐛 fix: add test for asset name format and bump to 0.5.2

Adds a unit test that asserts detect_arch returns names prefixed
with 'tmuxido-' and suffixed with '-linux', matching what CI uploads.

src/self_update.rs

@@ -198,6 +198,19 @@ mod tests {
         assert!(version.contains('.'));
     }
 
+    #[test]
+    fn should_prefix_arch_asset_with_tmuxido() {
+        let arch = detect_arch().expect("should detect supported arch");
+        assert!(
+            arch.starts_with("tmuxido-"),
+            "asset name must start with 'tmuxido-', got: {arch}"
+        );
+        assert!(
+            arch.ends_with("-linux"),
+            "asset name must end with '-linux', got: {arch}"
+        );
+    }
+
     #[test]
     fn should_compare_versions_correctly() {
         assert_eq!(