Update 2 packages

mingw-w64-x86_64-git (2.51.2.1.bd2ecbae58-1 -> 2.52.0.rc0.windows.1-1)
mingw-w64-x86_64-git-doc-html (2.51.2.1.bd2ecbae58-1 -> 2.52.0.rc0.windows.1-1)

Signed-off-by: Git for Windows Build Agent <ci@git-for-windows.build>

Author: Git for Windows Build Agent

cmd/git-gui.exe

@@ -69,7 +69,7 @@ use File::Path qw/rmtree/;
 use File::Basename;
 use Getopt::Long qw(:config require_order no_ignore_case);
 
-my $VERSION = '2.51.2.windows.1';
+my $VERSION = '2.52.0.rc0.windows.1';
 
 my $log = GITCVS::log->new();
 my $cfg;