build(deps): bump alpine from 3.20.1 to 3.20.2

Bumps alpine from 3.20.1 to 3.20.2.

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

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

Dockerfile

@@ -5,7 +5,7 @@ COPY . .
 
 RUN CGO_ENABLED=0 GOOS=linux go build -o aws-es-proxy
 
-FROM alpine:3.20.1
+FROM alpine:3.20.2
 LABEL name="aws-es-proxy" \
       version="latest"