refactor: update dependencies and use plugin boilerplate

plugin/plugin.go

@@ -0,0 +1,21 @@
+package plugin
+
+import (
+	"github.com/drone-plugins/drone-plugin-lib/drone"
+)
+
+// Plugin implements drone.Plugin to provide the plugin implementation.
+type Plugin struct {
+	settings Settings
+	pipeline drone.Pipeline
+	network  drone.Network
+}
+
+// New initializes a plugin from the given Settings, Pipeline, and Network.
+func New(settings Settings, pipeline drone.Pipeline, network drone.Network) drone.Plugin {
+	return &Plugin{
+		settings: settings,
+		pipeline: pipeline,
+		network:  network,
+	}
+}