Fix var name confusion

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Signed-off-by: Dario Pranjic <96529060+Knerio@users.noreply.github.com>

Author: Knerio

config/puma.rb

@@ -25,12 +25,12 @@
 
 # Specify either a `bind` or `port` to listen on.
 bind_uri = Sagittarius::Configuration.config[:rails][:web][:bind]
-port     = Sagittarius::Configuration.config[:rails][:web][:port]
+port_number = Sagittarius::Configuration.config[:rails][:web][:port]
 
 if bind_uri
   bind bind_uri
 else
-  port port
+  port port_number
 end
 
 # Specifies the `environment` that Puma will run in.