feature(kafka): introduce pipelines for the basic case

first pipelines, based on docker and aws backends

jenkins-pipelines/oss/kafka_connectors/_display_name

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+Kafka Connectors Tests

jenkins-pipelines/oss/kafka_connectors/longevity-kafka-cdc-aws.jenkinsfile

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+#!groovy
+
+// trick from https://github.com/jenkinsci/workflow-cps-global-lib-plugin/pull/43
+def lib = library identifier: 'sct@snapshot', retriever: legacySCM(scm)
+
+longevityPipeline(
+    backend: 'aws',
+    region: 'eu-west-1',
+    availability_zone: 'c',
+
+    test_name: 'longevity_test.LongevityTest.test_custom_time',
+    test_config: 'test-cases/kafka/longevity-kafka-cdc.yaml',
+)

jenkins-pipelines/oss/kafka_connectors/longevity-kafka-cdc-docker.jenkinsfile

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+#!groovy
+
+// trick from https://github.com/jenkinsci/workflow-cps-global-lib-plugin/pull/43
+def lib = library identifier: 'sct@snapshot', retriever: legacySCM(scm)
+
+longevityPipeline(
+    backend: 'docker',
+
+    test_name: 'longevity_test.LongevityTest.test_custom_time',
+    test_config: 'test-cases/kafka/longevity-kafka-cdc.yaml',
+)