Bump alpine from 3.14.0 to 3.14.1 (#956)

Bumps alpine from 3.14.0 to 3.14.1.

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Dockerfile

@@ -10,7 +10,7 @@ ARG GOOS=linux
 ARG GOARCH=amd64
 RUN GO111MODULE=on CGO_ENABLED=0 GOOS=$GOOS GOARCH=$GOARCH go build -a -ldflags "-X github.com/aquasecurity/kube-bench/cmd.KubeBenchVersion=${KUBEBENCH_VERSION} -w" -o /go/bin/kube-bench
 
-FROM alpine:3.14.0 AS run
+FROM alpine:3.14.1 AS run
 WORKDIR /opt/kube-bench/
 # add GNU ps for -C, -o cmd, and --no-headers support
 # https://github.com/aquasecurity/kube-bench/issues/109