Add Jamie Benstead to .clabot (#494)

## Status

- Closes _add issue numbers or delete_
- Related to _add issue numbers or delete_

## Points for consideration:

- Security
- Performance

## What's changed?

_Description of what's been done - bullets are often best_

## Steps to perform after deploying to production

_If the production environment requires any extra work after this PR has
been deployed detail it here. This could be running a Rake task, a
migration, or upgrading a Gem. That kind of thing._

Author: loiswells97

.clabot

@@ -11,6 +11,7 @@
     "grega",
     "IzzySmillie",
     "[email protected]",
+    "jamiebenstead",
     "jrmhaig",
     "KristinaDudnyk",
     "lpmi-13",