GIT-VERSION: fix forgotten -rc0

This is actually `-rc1`, but this file was not adjusted before tagging.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

Author: dscho

GIT-VERSION-GEN

@@ -1,6 +1,6 @@
 #!/bin/sh
 
-DEF_VER=v2.53.0-rc0
+DEF_VER=v2.53.0-rc1
 
 # Identify microsoft/git via a distinct version suffix
 DEF_VER=$DEF_VER.vfs.0.0