Changes the Voltron Data-managed machines' publish_benchmark_results attribute to True, which probably should have already been done a while ago, per the docs. (Note that this is a bit of a misnomer; we've been publishing results for these machines for a while, but not waiting for them to finish before posting the notification.)
This PR changes the GitHub messages to report on all machines that were run, instead of a subset.
test-mac-armanalysis again (it was turned off in https://github.com/voltrondata-labs/arrow-benchmarks-ci/pull/109). This should be okay because of our new, different handling of known-unstable benchmarks.publish_benchmark_resultsattribute to True, which probably should have already been done a while ago, per the docs. (Note that this is a bit of a misnomer; we've been publishing results for these machines for a while, but not waiting for them to finish before posting the notification.)