chore(deps): update docker.io/alpine docker tag to v3.20 (#14)

Reviewed-on: #14
Co-authored-by: Renovator Bot <renovator@rknet.org>
Co-committed-by: Renovator Bot <renovator@rknet.org>

.woodpecker/build-container.yml

@@ -7,7 +7,7 @@ when:
 
 steps:
   - name: security-build
-    image: quay.io/thegeeklab/wp-docker-buildx:3
+    image: quay.io/thegeeklab/wp-docker-buildx:4
     settings:
       containerfile: Containerfile.multiarch
       output: type=oci,dest=oci/${CI_REPO_NAME},tar=false
@@ -26,7 +26,7 @@ steps:
       TRIVY_TIMEOUT: 1m
 
   - name: publish-dockerhub
-    image: quay.io/thegeeklab/wp-docker-buildx:3
+    image: quay.io/thegeeklab/wp-docker-buildx:4
     group: container
     settings:
       auto_tag: true
@@ -47,7 +47,7 @@ steps:
           - ${CI_REPO_DEFAULT_BRANCH}
 
   - name: publish-quay
-    image: quay.io/thegeeklab/wp-docker-buildx:3
+    image: quay.io/thegeeklab/wp-docker-buildx:4
     group: container
     settings:
       auto_tag: true

Containerfile.multiarch

@@ -1,4 +1,4 @@
-FROM docker.io/alpine:3.19@sha256:c5b1261d6d3e43071626931fc004f70149baeba2c8ec672bd4f27761f8e1ad6b
+FROM docker.io/alpine:3.20@sha256:77726ef6b57ddf65bb551896826ec38bc3e53f75cdde31354fbffb4f25238ebd
 
 LABEL maintainer="Robert Kaussow <mail@thegeeklab.de>"
 LABEL org.opencontainers.image.authors="Robert Kaussow <mail@thegeeklab.de>"