SDK upgrade to v0.50 (branch) (#1611)

* Start implementation

* Add implementation + some e2e test

* Fix lint

* Squashed: sdk upgrade to v0.50

* rebuild protos with newer proto builder

(cherry picked from commit fd8f4c1d0d2163f0a504356c16cd2d250f6218f3)

* update ibc-go

(cherry picked from commit fb8667960fbeedb7d242baa644572986a154d4b6)

* bump cosmos-sdk and ibc in the v50 branch (#1616)

* tidy

* upgade ibc

* remove the toolchain command

* Bump sdk version

* Use correct bech32 prefix

* Bump SDK

* Enable fraud system test again

* Fix genesis param name

* Fix import/export simulations

* set log level for benchmarks

(cherry picked from commit 1cfb93008c596db62d22aba882f37a469546bfb9)

* Apply review comments

* Remove gov beta1 helpers

* Bump sdk version to latest in branch

* Fix linter

* Setup mergify for main

* Update mergify for better branch name

---------

Co-authored-by: Pino' Surace <pino.surace@live.it>
Co-authored-by: Jacob Gadikian <jacobgadikian@gmail.com>

.circleci/config.yml

@@ -5,7 +5,7 @@ orbs:
 executors:
   golang:
     docker:
-      - image: cimg/go:1.20
+      - image: cimg/go:1.21
 
 commands:
   make:
@@ -101,7 +101,7 @@ jobs:
   test-system:
     executor: golang
     parallelism: 1
-    resource_class: large
+    resource_class: xlarge
     steps:
       - attach_workspace:
           at: /tmp/workspace
@@ -135,7 +135,7 @@ jobs:
   simulations:
     executor: golang
     parallelism: 1
-    resource_class: large
+    resource_class: xlarge
     steps:
       - checkout
       - run: