Upgrade Chamber from 2.13.4 to 3.1.5

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: nbudin

Dockerfile

@@ -1,6 +1,6 @@
 ARG RUBY_VERSION
 ARG NODE_VERSION
-ARG CHAMBER_VERSION=2.13.4
+ARG CHAMBER_VERSION=3.1.5
 
 ### dev