Switch remote deploy to vendored source builds

Move remote deployment to a vendored source bundle built on the target host via Docker so redeploys no longer require local cross-compilation or host Go installation.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

vendor/github.com/jchv/go-winloader/common.go

@@ -0,0 +1,11 @@
+package winloader
+
+import (
+	"github.com/jchv/go-winloader/internal/loader"
+)
+
+// Proc represents a proc of a module.
+type Proc = loader.Proc
+
+// Module represents a loaded module.
+type Module = loader.Module