Try to suppress Windows 2019 builds based on jenkinsci#202 (comment)

jglick · jglick · commit 7dda4ad2fd65 · 2020-01-31T10:38:03.000-05:00
diff --git a/Jenkinsfile b/Jenkinsfile
@@ -1,2 +1,4 @@
-buildPlugin()
-
+buildPlugin(platforms: [
+    'linux',
+    'windows && !windock' // TODO Docker-based tests fail on 2019
+])
