Rename BigSur EWS to AppleSilicon EWS, so that it is more clear for users. This will also match will the status-bubble name "mac-AS".
Created attachment 406063 [details] Patch
Created attachment 406064 [details] Patch
Created attachment 406065 [details] Patch
Sample run: https://ews-build.webkit-uat.org/#/builders/48/builds/3
Committed r265316: <https://trac.webkit.org/changeset/265316>
<rdar://problem/66604507>