feat(tiflow): add trigger for new sync_diff pipeline

jobs/pingcap/tiflow/latest/pull_syncdiff_integration_test.groovy

@@ -0,0 +1,38 @@
+// REF: https://<your-jenkins-server>/plugin/job-dsl/api-viewer/index.html
+// For trunk and latest release branches.
+pipelineJob('pingcap/tiflow/pull_syncdiff_integration_test') {
+    logRotator {
+        daysToKeep(30)
+    }
+    parameters {
+        // Ref: https://docs.prow.k8s.io/docs/jobs/#job-environment-variables
+        stringParam("BUILD_ID")
+        stringParam("PROW_JOB_ID")
+        stringParam("JOB_SPEC")
+    }
+    properties {
+        githubProjectUrl("https://github.com/pingcap/tiflow")
+    }
+
+    definition {
+        cpsScm {
+            lightweight(true)
+            scriptPath("pipelines/pingcap/tiflow/latest/pull_syncdiff_integration_test.groovy")
+            scm {
+                git{
+                    remote {
+                        url('https://github.com/PingCAP-QE/ci.git')
+                    }
+                    branch('main')
+                    extensions {
+                        cloneOptions {
+                            depth(1)
+                            shallow(true)
+                            timeout(5)
+                        } 
+                    }
+                }
+            }
+        }
+    }
+}

prow-jobs/pingcap/tiflow/latest-presubmits.yaml

@@ -92,6 +92,18 @@ presubmits:
       rerun_command: "/test pull-engine-integration-test"
       branches: *branches
 
+    - name: pingcap/tiflow/pull_syncdiff_integration_test
+      agent: jenkins
+      decorate: false # need add this.
+      always_run: false
+      optional: true # TODO: remove this after the test is ready.
+      # skip_if_only_changed: "(\\.(md|png|jpeg|jpg|gif|svg|pdf)|Dockerfile|OWNERS|OWNERS_ALIASES)$" # TODO: uncomment this after the test is ready.
+      context: wip/pull-syncdiff-integration-test # TODO: remove wip after the test is ready.
+      skip_report: false
+      trigger: "(?m)^/test (?:.*? )?(pull-syncdiff-integration-test)(?: .*?)?$"
+      rerun_command: "/test pull-syncdiff-integration-test"
+      branches: *branches
+
     - name: pingcap/tiflow/ghpr_verify
       agent: jenkins
       decorate: false # need add this.