Fixed remaining references to AnalysisChange (now: Change)

(The type was renamed/moved in 8716c4cec3)

crates/base_db/src/change.rs

@@ -19,7 +19,7 @@ pub struct Change {
 
 impl fmt::Debug for Change {
     fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
-        let mut d = fmt.debug_struct("AnalysisChange");
+        let mut d = fmt.debug_struct("Change");
         if let Some(roots) = &self.roots {
             d.field("roots", roots);
         }