Change from email address

[gpfrancis]

Please remember to follow the Lasair Pull Request checklist when issuing & reviewing this pull request:

https://lsst-uk.atlassian.net/wiki/spaces/LUSC/pages/2612264961/How+to+do+Pull+Request#STEP-3%3A-Issue-a-Pull-Request-on-Github

CHANGES

• Changed email address in filter/run_active_queries.py