[cups] update contact info (#13421)

Add one new member to help triage bug reports of cups.

Signed-off-by: TTFISH <jiongchiyu@gmail.com>

Author: fish98

projects/cups/project.yaml

@@ -8,6 +8,7 @@ auto_ccs:
   - "till.kamppeter@gmail.com"
   - "ossfuzz@iosifache.me"
   - "msweet@msweet.org"
+  - "pushinliu@gmail.com"
 # vendor_ccs:
 
 architectures: