feat: replace IE with Edge in automated tests
feat: replace IE with Edge in automated tests

* IE is officially dead, less than 1% of users in the last month used it to access the site according to Google Analytics, and Edge/Windows is now common

ebmdatalab/openprescribing,ebmdatalab/openprescribing,ebmdatalab/openprescribing,ebmdatalab/openprescribing