chore(deps): update gitlab/gitlab-runner docker tag to alpine-v18.2.2 (hetznercloud/fleeting-plugin-hetzner!270)

This MR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [gitlab/gitlab-runner](https://gitlab.com/gitlab-org/gitlab-runner) ([changelog](https://gitlab.com/gitlab-org/gitlab-runner/-/blob/master/CHANGELOG.md)) | final | patch | `alpine-v18.2.1` -> `alpine-v18.2.2` |

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Author: Hetzner Cloud Bot

dev/Dockerfile

@@ -10,6 +10,6 @@ RUN ls -al
 
 RUN go build ./cmd/fleeting-plugin-hetzner
 
-FROM gitlab/gitlab-runner:alpine-v18.2.1
+FROM gitlab/gitlab-runner:alpine-v18.2.2
 
 COPY --from=builder /build/fleeting-plugin-hetzner /bin/fleeting-plugin-hetzner