chore(ci): revert to buildx plugin with local registry auth

.woodpecker.yml

@@ -4,24 +4,20 @@ when:
 
 steps:
   - name: build-and-push
-    image: gcr.io/kaniko-project/executor:v1.23.2-debug
-    environment:
-      REGISTRY_USERNAME:
+    image: woodpeckerci/plugin-docker-buildx:5.0.0
+    settings:
+      insecure: true
+      registry: docker-registry.registry.svc.cluster.local:5000
+      repo: docker-registry.registry.svc.cluster.local:5000/nxtgauge-admin-solid
+      dockerfile: Dockerfile.simple
+      tags:
+        - ${CI_COMMIT_SHA}
+        - latest
+        - high-performance-latest
+      username:
         from_secret: REGISTRY_USERNAME
-      REGISTRY_PASSWORD:
+      password:
         from_secret: REGISTRY_PASSWORD
-    commands:
-      - mkdir -p /kaniko/.docker
-      - echo "{\"auths\":{\"docker-registry.registry.svc.cluster.local:5000\":{\"username\":\"${REGISTRY_USERNAME}\",\"password\":\"${REGISTRY_PASSWORD}\"}}}" > /kaniko/.docker/config.json
-      - >-
-        /kaniko/executor
-        --context .
-        --dockerfile Dockerfile.simple
-        --destination docker-registry.registry.svc.cluster.local:5000/nxtgauge-admin-solid:${CI_COMMIT_SHA}
-        --destination docker-registry.registry.svc.cluster.local:5000/nxtgauge-admin-solid:latest
-        --destination docker-registry.registry.svc.cluster.local:5000/nxtgauge-admin-solid:high-performance-latest
-        --cache=true
-        --cache-repo docker-registry.registry.svc.cluster.local:5000/nxtgauge-admin-solid-cache
-        --insecure
-        --insecure-pull
-        --skip-tls-verify
+      platforms: linux/amd64
+      cache_from: docker-registry.registry.svc.cluster.local:5000/nxtgauge-admin-solid:cache
+      cache_to: docker-registry.registry.svc.cluster.local:5000/nxtgauge-admin-solid:cache