Bump golang from 1.22.1 to 1.22.2 in /cmd/exporter in the docker group

Bumps the docker group in /cmd/exporter with 1 update: golang.


Updates `golang` from 1.22.1 to 1.22.2

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

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

cmd/exporter/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.22.1 as build
+FROM golang:1.22.2 as build
 WORKDIR /exporter
 COPY go.mod go.sum /exporter/
 RUN go mod download