FEATURE: load rbtrace is specified in ENV

FEATURE: load rbtrace is specified in ENV

By default we load rbtrace in production, ensure it also loads in the collector

diff --git a/bin/collector b/bin/collector
index d456edb..3bb0ada 100755
--- a/bin/collector
+++ b/bin/collector
@@ -11,6 +11,7 @@ require 'thread'
 require 'oj'
 require 'prometheus_exporter'
 require 'prometheus_exporter/server'
+require 'rbtrace' if ENV['RBTRACE'] == "1"
 
 module DiscoursePrometheus; end
 

GitHub sha: de42d6ab