feat(update): add update deployment via web UI

- Deploy exe to alternate port 5033
- Current instance keeps running
- Add parallel mode and addr flag
- Add update panel to web UI
- Update OpenAPI spec and CLI

lib/config/ports_test.go

@@ -0,0 +1,14 @@
+package config
+
+import "testing"
+
+func TestAlternateListenAddr(t *testing.T) {
+	next, err := AlternateListenAddr("0.0.0.0:5032")
+	if err != nil || next != "0.0.0.0:5033" {
+		t.Fatalf("5032 -> %q, %v", next, err)
+	}
+	next, err = AlternateListenAddr("0.0.0.0:5033")
+	if err != nil || next != "0.0.0.0:5032" {
+		t.Fatalf("5033 -> %q, %v", next, err)
+	}
+}