Bump golang in /examples/deployment/docker/log_server (#3481)

Bumps golang from 1.22.2-bookworm to 1.22.3-bookworm.

---
updated-dependencies:
- dependency-name: golang
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

examples/deployment/docker/log_server/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.22.2-bookworm@sha256:d0902bacefdde1cf45528c098d14e55d78c107def8a22d148eabd71582d7a99f as build
+FROM golang:1.22.3-bookworm@sha256:6d71b7c3f884e7b9552bffa852d938315ecca843dcc75a86ee7000567da0923d as build
 
 WORKDIR /trillian