Switch to mirrorred images for Drone CI.

.drone.yml

@@ -5,7 +5,7 @@ name: lint and test
 
 steps:
   - name: lint
-    image: golangci/golangci-lint:v1.46.2
+    image: code.pztrn.name/containers/mirror/golangci/golangci-lint:v1.46.2
     pull: if-not-exists
     environment:
       CGO_ENABLED: 0
@@ -13,7 +13,7 @@ steps:
       - golangci-lint run
 
   - name: test
-    image: golang:1.18.3-alpine
+    image: code.pztrn.name/containers/mirror/golang:1.18.3-alpine
     pull: if-not-exists
     environment:
       CGO_ENABLED: 0
@@ -30,7 +30,7 @@ depends_on:
 
 steps:
   - name: build master image
-    image: plugins/docker
+    image: code.pztrn.name/containers/mirror/plugins/docker
     when:
       branch: ["master"]
     settings:
@@ -42,7 +42,7 @@ steps:
       auto_tag: true
 
   - name: build tagged image
-    image: plugins/docker
+    image: code.pztrn.name/containers/mirror/plugins/docker
     pull: if-not-exists
     when:
       event: ["tag"]