repo: Bump launcher version to 2.65

https://gerrit-review.git.corp.google.com/c/git-repo/+/569001 didn't
update the repo launcher script version for the newly added
`--use-local-gitdirs` flag.

Bug: 513329573
Bug: 508146070
Change-Id: I07ad939a40466ed50e439c815608797689fd505f
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/587381
Tested-by: Gavin Mak <gavinmak@google.com>
Commit-Queue: Gavin Mak <gavinmak@google.com>
Reviewed-by: Mike Frysinger <vapier@google.com>

repo

diff --git a/repo b/repo
index 2d7f163..4f541dc 100755
--- a/repo
+++ b/repo
@@ -129,7 +129,7 @@
 BUG_URL = "https://issues.gerritcodereview.com/issues/new?component=1370071"
 
 # increment this whenever we make important changes to this script
-VERSION = (2, 54)
+VERSION = (2, 65)
 
 # increment this if the MAINTAINER_KEYS block is modified
 KEYRING_VERSION = (2, 3)