Update bundler-audit.tt to reference config/bundler-audit.yml (extension is .yml instead of .yaml)

Author: murny

railties/lib/rails/generators/rails/app/templates/bin/bundler-audit.tt

@@ -1,5 +1,5 @@
 require_relative "../config/boot"
 require "bundler/audit/cli"
 
-ARGV.concat %w[ --config config/bundler-audit.yaml ] if ARGV.empty? || ARGV.include?("check")
+ARGV.concat %w[ --config config/bundler-audit.yml ] if ARGV.empty? || ARGV.include?("check")
 Bundler::Audit::CLI.start