build: Change kaniko auth config to explicit registry v2 api

.drone.yml

@@ -66,7 +66,7 @@ steps:
     wget https://github.com/jqlang/jq/releases/download/jq-1.6/jq-linux64 -O /bin/jq
     chmod +x /bin/jq
   - |
-    /bin/jq '.auths["bv11-cr01.bessems.eu"].auth="'"$(echo $DOCKER_USERNAME':'$DOCKER_PASSWORD | base64)"'"' --null-input > /kaniko/.docker/config.json
+    /bin/jq '.auths["https://bv11-cr01.bessems.eu/v2"].auth="'"$(echo $DOCKER_USERNAME':'$DOCKER_PASSWORD | base64)"'"' --null-input > /kaniko/.docker/config.json
   - |
     /kaniko/executor \
       --dockerfile=Dockerfile \
@@ -85,8 +85,7 @@ steps:
   pull: always
   commands:
   - |
-    echo '$MIRROR/alpine/edge/community' >> /etc/apk/repositories
+    apk add \
-    apk update && apk add \
       yq
   - |
     helm package ./charts/json-server