chore(deps): update buildkite plugin docker to v5.12.0

.buildkite/pipeline.yml

@@ -7,22 +7,22 @@ steps:
   - label: ":golangci-lint: lint :lint-roller:"
     key: "lint"
     plugins:
-      - docker#v5.9.0:
+      - docker#v5.12.0:
           image: "registry.hub.docker.com/golangci/golangci-lint:v1.61-alpine"
           command: ["golangci-lint", "run", "-v", "--timeout", "5m"]
 
   - label: ":test_tube: test"
     key: "test"
     plugins:
-      - docker#v5.9.0:
+      - docker#v5.12.0:
           image: "golang:1.23"
           command: ["go", "test", "-cover" ,"-race", "./..."]
 
   - label: ":golang: build"
     key: "gobuild"
     artifact_paths: "bin/${APP_NAME}"
     plugins:
-      - docker#v5.9.0:
+      - docker#v5.12.0:
           image: "golang:1.23"
           environment:
             - CGO_ENABLED=0