Bug 1767023: Bootstrap support for this Linux distro not yet available: deepin. r=ahochheiden mach bootstrap is not working on deepin distro, which is a debian based os. this patch treat deepin as a DEBIAN_DISTRO, so mach could work correctly.

Differential Revision: https://phabricator.services.mozilla.com/D146083

python/mozboot/mozboot/bootstrap.py

@@ -106,6 +106,7 @@ DEBIAN_DISTROS = (
     "kali",
     "devuan",
     "pureos",
+    "deepin",
 )
 
 ADD_GIT_CINNABAR_PATH = """