Merge pull request microsoft#31 from microsoft/dependabot/pip/ICLR2023/pillow-9.3.0

Bump pillow from 8.3.2 to 9.3.0 in /ICLR2023

Author: akalai

ICLR2023/requirements.txt

@@ -158,7 +158,7 @@ Pebble==4.6.3
 petname==2.6
 pexpect==4.8.0
 pickleshare==0.7.5
-Pillow==8.3.2
+Pillow==9.3.0
 platformdirs==2.3.0
 portalocker==1.7.1
 preshed==3.0.5