Bump ubuntu from 17.10 to 24.04 in /example/trivial/zipkin

Bumps ubuntu from 17.10 to 24.04.

---
updated-dependencies:
- dependency-name: ubuntu
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

example/trivial/zipkin/Dockerfile

@@ -1,4 +1,4 @@
-FROM ubuntu:17.10
+FROM ubuntu:24.04
 
 WORKDIR /app
 ADD . /app