build(deps): bump elasticsearch from 8.7.1 to 8.8.0 in /examples/skyw…

…alking (envoyproxy#27838)

build(deps): bump elasticsearch in /examples/skywalking

Bumps elasticsearch from 8.7.1 to 8.8.0.

---
updated-dependencies:
- dependency-name: elasticsearch
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Signed-off-by: Ryan Eskin <ryan.eskin89@protonmail.com>

examples/skywalking/Dockerfile-elasticsearch

@@ -1 +1 @@
-FROM elasticsearch:8.7.1@sha256:160814e5972521291420c29edf4c0348b8591ac9235156f0dbf34befcf362825
+FROM elasticsearch:8.8.0@sha256:5c28849be5e91610761fcd4a49c2561dfae72be9ac0a3e7b5c42c9576aa9157b