chore(deps): update quay.io/thegeeklab/wp-docker-buildx docker tag to v4 (#122)

Reviewed-on: #122
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