Bump golang from 1.22.2 to 1.22.3 in /examples/httpPlusdb (#831)

Bumps golang from 1.22.2 to 1.22.3.

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

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

examples/httpPlusdb/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.22.2
+FROM golang:1.22.3
 WORKDIR /app
 COPY ./*.go .
 RUN go mod init main