feat: add option for custom socket path (#698)

pkg/runner/runner.go

@@ -37,6 +37,7 @@ type Config struct {
 	Privileged            bool              // use privileged mode
 	UsernsMode            string            // user namespace to use
 	ContainerArchitecture string            // Desired OS/architecture platform for running containers
+	ContainerDaemonSocket string            // Path to Docker daemon socket
 	UseGitIgnore          bool              // controls if paths in .gitignore should not be copied into container, default true
 	GitHubInstance        string            // GitHub instance to use, default "github.com"
 }