chore(deps): update docker.io/library/alpine docker tag to v3.20.3

Signed-off-by: cilium-renovate[bot] <134692979+cilium-renovate[bot]@users.noreply.github.com>

Dockerfile

@@ -82,7 +82,7 @@ RUN curl -L https://github.com/libbpf/bpftool/releases/download/${BPFTOOL_TAG}/b
 
 # Almost final step runs on target platform (might need emulation) and
 # retrieves (cross-)compiled binaries from builders
-FROM docker.io/library/alpine:3.20.2@sha256:0a4eaa0eecf5f8c050e5bba433f58c052be7587ee8af3e8b3910ef9ab5fbe9f5 AS base-build
+FROM docker.io/library/alpine:3.20.3@sha256:beefdbd8a1da6d2915566fde36db9db0b524eb737fc57cd1367effd16dc0d06d AS base-build
 RUN apk add iproute2
 RUN mkdir /var/lib/tetragon/ && \
     mkdir -p /etc/tetragon/tetragon.conf.d/ && \

Dockerfile.operator

@@ -3,7 +3,7 @@
 
 ARG BASE_IMAGE=scratch
 ARG GOLANG_IMAGE=docker.io/library/golang:1.22.8@sha256:d22ae61b07d6e977d941b8d402e9a15b0638bac0d3f05e59f48f0d4b912760ec
-ARG ALPINE_IMAGE=docker.io/library/alpine:3.20.2@sha256:0a4eaa0eecf5f8c050e5bba433f58c052be7587ee8af3e8b3910ef9ab5fbe9f5
+ARG ALPINE_IMAGE=docker.io/library/alpine:3.20.3@sha256:beefdbd8a1da6d2915566fde36db9db0b524eb737fc57cd1367effd16dc0d06d
 
 # BUILDPLATFORM is an automatic platform ARG enabled by Docker BuildKit.
 # Represents the plataform where the build is happening, do not mix with

Dockerfile.rthooks

@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: Apache-2.0
 
 ARG GOLANG_IMAGE=docker.io/library/golang:1.22.8@sha256:d22ae61b07d6e977d941b8d402e9a15b0638bac0d3f05e59f48f0d4b912760ec
-ARG BASE_IMAGE=docker.io/library/alpine:3.20.2@sha256:0a4eaa0eecf5f8c050e5bba433f58c052be7587ee8af3e8b3910ef9ab5fbe9f5
+ARG BASE_IMAGE=docker.io/library/alpine:3.20.3@sha256:beefdbd8a1da6d2915566fde36db9db0b524eb737fc57cd1367effd16dc0d06d
 
 # BUILDPLATFORM is an automatic platform ARG enabled by Docker BuildKit.
 # Represents the plataform where the build is happening, do not mix with