Add automated benchmark
Add benchmark to acceptance tests. See https://lscsoft.docs.ligo.org/ligo.skymap/performance.html, https://git.ligo.org/leo-singer/ligo-skymap-benchmark.
Add benchmark to acceptance tests. See https://lscsoft.docs.ligo.org/ligo.skymap/performance.html, https://git.ligo.org/leo-singer/ligo-skymap-benchmark.