Update openzipkin/zipkin Docker tag to v2.23.4 (#289)

renovate[bot] · renovate-bot · web-flow · commit 2ff337993d22 · 2021-09-10T00:04:27.000Z
Co-authored-by: Renovate Bot &lt;bot@renovateapp.com&gt;
diff --git a/tracing-spec-retriever-zipkin/src/versions/Dockerfile b/tracing-spec-retriever-zipkin/src/versions/Dockerfile
@@ -1,3 +1,3 @@
 # This file is handled by Dependabot and Renovate bots,
 # so we'll run integration tests when a new Zipkin version is released
-FROM openzipkin/zipkin:2.23.3@sha256:96f819846007f7557833c403ae60d2903a5036bafbb466d1d17f17f63cc6c945
+FROM openzipkin/zipkin:2.23.4@sha256:15f5391b24d2856787b1585a5dd918b31143cf70e49984e2c87b0d2c73c37496
