Update Railpack

FluxCapacitor2 · FluxCapacitor2 · commit d1742d247782 · 2025-12-23T23:51:38.000-05:00
diff --git a/builders/railpack/Dockerfile b/builders/railpack/Dockerfile
@@ -1,4 +1,4 @@
-ARG RAILPACK_VERSION=0.15.3
+ARG RAILPACK_VERSION=0.15.4
 
 FROM ubuntu:24.04
 
