build(deps): bump alpine from 3.18.8 to 3.18.9

Bumps alpine from 3.18.8 to 3.18.9.

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

Signed-off-by: dependabot[bot] <[email protected]>

Dockerfile

@@ -6,7 +6,7 @@ ARG BIN_NAME
 ARG TARGETARCH
 RUN GOARCH=${TARGETARCH} /builder.sh ${BIN_NAME}
 
-FROM alpine:3.18.8
+FROM alpine:3.18.9
 RUN apk add --no-cache gcompat
 
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