Only report Python pins as updated if its the same file (#8894)

crates/uv/src/commands/python/pin.rs

@@ -132,8 +132,10 @@ pub(crate) async fn pin(
 
     new.write().await?;
 
+    // If we updated an existing version file to a new version
     if let Some(existing) = existing
         .as_ref()
+        .filter(|existing| existing.path() == new.path())
         .and_then(PythonVersionFile::version)
         .filter(|version| *version != new.version().unwrap())
     {

crates/uv/tests/it/python_find.rs

@@ -213,7 +213,7 @@ fn python_find_pin() {
     success: true
     exit_code: 0
     ----- stdout -----
-    Updated `.python-version` from `3.12` -> `3.11`
+    Pinned `.python-version` to `3.11`
 
     ----- stderr -----
     "###);