Merge pull request #2388 from freeCodeCamp/renovate/erubi-1.x-lockfile

chore(deps): update dependency erubi to v1.13.1

Gemfile.lock

@@ -28,7 +28,7 @@ GEM
     connection_pool (2.4.1)
     daemons (1.4.1)
     drb (2.2.1)
-    erubi (1.13.0)
+    erubi (1.13.1)
     ethon (0.16.0)
       ffi (>= 1.15.0)
     eventmachine (1.2.7)