software/nayuos: fix instantiation

software/nayuos/buildout.hash.cfg

@@ -14,4 +14,4 @@
 # not need these here).
 [template-instance]
 filename = instance.cfg
-md5sum = 7a558c2b9461ec588c9d77bdeef64e4d
+md5sum = 5a765463118f8b2a09df6260f56c2175

software/nayuos/instance.cfg

@@ -25,7 +25,7 @@ develop-eggs-directory = {{ develop_eggs_directory }}
 # needed for the "repo" command (to download many git repositories)
 recipe = slapos.recipe.build:gitclone
 repository = https://chromium.googlesource.com/chromium/tools/depot_tools.git
-branch = master
+branch = main
 git-executable = {{ git_path }}/bin/git
 
 [customize-path]