chore(deps): update docker.io/library/golang:1.21.6-alpine3.19 docker…

… digest to a6a7f1f

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

Dockerfile

@@ -3,7 +3,7 @@
 # Copyright Authors of Cilium
 # SPDX-License-Identifier: Apache-2.0
 
-FROM docker.io/library/golang:1.21.6-alpine3.19@sha256:51a7800206bc7b276a9d62a7229cdede7b1e0f45ec28259ed44c1603c6cda1e7 as builder
+FROM docker.io/library/golang:1.21.6-alpine3.19@sha256:a6a7f1fcf12f5efa9e04b1e75020931a616cd707f14f62ab5262bfbe109aa84a as builder
 WORKDIR /go/src/github.com/cilium/cilium-cli
 RUN apk add --no-cache git make ca-certificates
 COPY . .