[macports-infrastructure] branch master updated (993e741 -> 4164920)

[Ryan Schmidt]

Ryan Schmidt (ryandesign) pushed a change to branch master
in repository macports-infrastructure.

    from 993e741  init list vars with [list] so they are pure lists
     new 017284f  buildbot: Remove 10.6/10.7/10.8 legacy
     new 402717b  buildbot: Add base-10.6_i386
     new 4164920  buildbot: Add macOS 11

The 3 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "add" were already present in the repository and have only
been added to this reference.


Summary of changes:
 buildbot/slaves.json.sample | 23 +++++++++++------------
 1 file changed, 11 insertions(+), 12 deletions(-)