ci: fix Kafka download URL that broke CI

Apache policy removes old releases from downloads.apache.org (and its
CDN, dlcdn.apache.org) once a version branch is no longer current.
Switch to archive.apache.org, which retains all historical releases.

Author: 46bit

.github/workflows/ci.yml

@@ -85,7 +85,7 @@ jobs:
           curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
       - name: Install Kafka
         run: |
-          wget --progress=dot --show-progress  https://dlcdn.apache.org/kafka/3.9.2/kafka_2.13-3.9.2.tgz
+          wget --progress=dot --show-progress  https://archive.apache.org/dist/kafka/3.9.2/kafka_2.13-3.9.2.tgz
           tar xvfz kafka*.tgz
           mkdir /tmp/kraft-combined-logs
           kafka_*/bin/kafka-storage.sh format -t 9v5PspiySuWU2l5NjTgRuA -c kafka_*/config/kraft/server.properties