fix: apps/epp_proxy/priv/test_backend_app/Gemfile & apps/epp_proxy/priv/test_backend_app/Gemfile.lock to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-RUBY-RACK-10074187
- https://snyk.io/vuln/SNYK-RUBY-RACK-10303186

Author: snyk-bot

apps/epp_proxy/priv/test_backend_app/Gemfile

@@ -3,7 +3,7 @@
 source "https://rubygems.org"
 
 gem "puma"
-gem "roda"
+gem "roda", ">= 3.91.0"
 gem "rack-unreloader"
 gem "tilt"
 gem "rackup"

apps/epp_proxy/priv/test_backend_app/Gemfile.lock

@@ -4,22 +4,23 @@ GEM
     nio4r (2.7.4)
     puma (6.6.0)
       nio4r (~> 2.0)
-    rack (3.1.12)
+    rack (3.1.16)
     rack-unreloader (2.1.0)
     rackup (2.2.1)
       rack (>= 3)
-    roda (3.90.0)
+    roda (3.94.0)
       rack
     tilt (2.6.0)
 
 PLATFORMS
   aarch64-linux
+  ruby
 
 DEPENDENCIES
   puma
   rack-unreloader
   rackup
-  roda
+  roda (>= 3.91.0)
   tilt
 
 BUNDLED WITH