chore: update .registryrc and agent config (#4403)

chore: update .registryrc and agent config

---------

Co-authored-by: Daniel Savu <23065004+daniel-savu@users.noreply.github.com>
Co-authored-by: Trevor Porter <tkporter4@gmail.com>

.registryrc

@@ -1 +1 @@
-8b5b0a4618dd824c4765ce9dac08eaca9bda6e07
+f642dfefebb8578e2fdb7c732b816cd1bc945bb1

rust/config/mainnet_config.json

@@ -2044,6 +2044,9 @@
         }
       ],
       "rpcUrls": [
+        {
+          "http": "https://rpc-arch.mainnet.neutron.tm.p2p.org"
+        },
         {
           "http": "https://rpc-kralum.neutron-1.neutron.org"
         }