Increment the wrapper version

There have been a number of changes in the repo wrapper since the last
increment that was done in fee390ee:

- 9711a98 init: Add --no-clone-bundle option
- 631d0ec Support non-ASCII GNUPGHOME environment variable
- 4088eb4 repo: Cleaned up pylint/pep8 violations
- 5553628 repo: Add check of REPO_URL env variable
- 745b4ad Fix gitc-init behavior
- d3ddcdb Ignore clone.bundle on HTTP 501, i.e. Not Implemented

Change-Id: I3f763ef0ec2df2d726dff429021b48ad474148f1

repo

@@ -23,7 +23,7 @@ REPO_REV = 'stable'
 # limitations under the License.
 
 # increment this whenever we make important changes to this script
-VERSION = (1, 22)
+VERSION = (1, 23)
 
 # increment this if the MAINTAINER_KEYS block is modified
 KEYRING_VERSION = (1, 2)