launcher: bump version for cli changes

Change-Id: I9b2194df0c1af3bc5b42115a25992747368a7383
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/268532
Reviewed-by: Xin Li <delphij@google.com>
Tested-by: Xin Li <delphij@google.com>
Tested-by: Mike Frysinger <vapier@google.com>

repo

@@ -133,7 +133,7 @@ if not REPO_REV:
   REPO_REV = 'stable'
 
 # increment this whenever we make important changes to this script
-VERSION = (2, 5)
+VERSION = (2, 7)
 
 # increment this if the MAINTAINER_KEYS block is modified
 KEYRING_VERSION = (2, 3)