Configure pull request pipeline for transport version validation

Author: mark-vieira

.buildkite/pull-requests.json

@@ -16,6 +16,24 @@
       "cancel_intermediate_builds": true,
       "cancel_intermediate_builds_on_comment": false
     },
+    {
+      "enabled": true,
+      "pipeline_slug": "elasticsearch-pull-request-transport-versions",
+      "allow_org_users": true,
+      "allowed_repo_permissions": [
+        "admin",
+        "write"
+      ],
+      "allowed_list": ["elastic-renovate-prod[bot]"],
+      "set_commit_status": false,
+      "build_on_commit": true,
+      "build_on_comment": true,
+      "trigger_comment_regex": "(run\\W+elasticsearch-ci.+)|(^\\s*((buildkite|@elastic(search)?machine)\\s*)?test\\s+this(\\s+please)?)",
+      "retrigger_label_regex": "v[0-9]+\\.[0-9]+\\.[0-9]+",
+      "cancel_intermediate_builds": true,
+      "cancel_intermediate_builds_on_comment": false,
+      "skip_duplicate_builds": true
+    },
     {
       "enabled": true,
       "pipeline_slug": "elasticsearch-pull-request-performance-benchmark",