MINOR: [Dev] Add zanmato1984 and ZhangHuiGui in collaborators list (a…

…pache#41544)

### Rationale for this change

Recently zanmato1984 and ZhangHuiGui is active on arrow-compute and arrow-acero module, which lacks maintainer. The contributions can be seem below:
* https://github.com/apache/arrow/commits?author=zanmato1984
* https://github.com/apache/arrow/commits?author=ZhangHuiGui

I promote them as collaborators

### What changes are included in this PR?

Changes `.asf.yaml`

### Are these changes tested?

No

### Are there any user-facing changes?

No

Authored-by: mwish <maplewish117@gmail.com>
Signed-off-by: Sutou Kouhei <kou@clear-code.com>

.asf.yaml

@@ -26,6 +26,8 @@ github:
     - jbonofre
     - js8544
     - vibhatha
+    - zanmato1984
+    - ZhangHuiGui
 
 notifications:
   commits:      commits@arrow.apache.org