azure-pipelines.yml: Decreased maximum allowed failures to 2 on all test jobs
azure-pipelines.yml: Decreased maximum allowed failures to 2 on all test jobs

apache/lucenenet,apache/lucenenet,jeme/lucenenet,apache/lucenenet,NightOwl888/lucenenet,NightOwl888/lucenenet,jeme/lucenenet,apache/lucenenet,jeme/lucenenet,NightOwl888/lucenenet,jeme/lucenenet,NightOwl888/lucenenet