[releng] Prepare repo for 2023-06 M1Change-Id: I7c763eb20e99579b825c707437a04cc88a9c93bf
Set version qualifiers with setGitDate scriptChange-Id: I87d131e062cabb065b6a8377bbbaec2a1018de4d
Add 2023-06 to 2024-03 splashscreen linkChange-Id: I85877645fd48191a5bd512f8ee9a01e3c03f6733