chore(deps): bump alpine from 3.18.0 to 3.18.2

Bumps alpine from 3.18.0 to 3.18.2.

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

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

Dockerfile

@@ -11,7 +11,7 @@ RUN go build -o /usr/local/bin/chaoskube -v \
 RUN /usr/local/bin/chaoskube --version
 
 # final image
-FROM alpine:3.18.0
+FROM alpine:3.18.2
 
 RUN apk --no-cache add ca-certificates dumb-init tzdata
 COPY --from=builder /usr/local/bin/chaoskube /usr/local/bin/chaoskube