feat: channel upgradability (#1613)

Co-authored-by: Damian Nolan <damiannolan@gmail.com>
Co-authored-by: colin axnér <25233464+colin-axner@users.noreply.github.com>
Co-authored-by: Aditya Sripal <adityasripal@gmail.com>
Co-authored-by: Charly <charly@interchain.io>
Co-authored-by: Cian Hatton <cian@interchain.io>
Co-authored-by: sangier <stefano@interchain.io>
Co-authored-by: Jim Fasarakis-Hilliard <d.f.hilliard@gmail.com>
Co-authored-by: Carlos Rodriguez <carlos@interchain.io>
Co-authored-by: Susannah Evans <65018876+womensrights@users.noreply.github.com>
Co-authored-by: srdtrk <59252793+srdtrk@users.noreply.github.com>
Co-authored-by: Du Nguyen <dunguyen643@gmail.com>
Co-authored-by: Đỗ Việt Hoàng <hoangdv2429@gmail.com>
(cherry picked from commit 28f757a)

# Conflicts:
#	docs/client/swagger-ui/swagger.yaml
#	e2e/go.mod
#	e2e/go.sum
#	e2e/sample.config.yaml
#	e2e/tests/interchain_accounts/localhost_test.go
#	e2e/tests/wasm/grandpa_test.go
#	e2e/testsuite/grpc_query.go
#	e2e/testsuite/testconfig.go
#	e2e/testsuite/testsuite.go
#	modules/apps/transfer/types/authz.pb.go
#	modules/core/04-channel/keeper/packet_test.go
#	modules/core/04-channel/types/msgs.go
#	modules/core/04-channel/types/msgs_test.go
#	testing/utils.go

.github/mergify.yml

@@ -16,8 +16,8 @@ pull_request_rules:
         name: default
         method: squash
         commit_message_template: |
-           {{ title }} (#{{ number }})
-           {{ body }}
+          {{ title }} (#{{ number }})
+          {{ body }}
   - name: backport patches to v1.0.x capability branch
     conditions:
       - base=main

.github/workflows/golangci-feature.yml

@@ -0,0 +1,31 @@
+# golangci-feature runs on pull requests from branches that do not target main.
+#
+# Working on feature branches (PRs where the PR base-ref != main) is a common
+# workflow used, in order to make the merging of PRs easier certain lints are excluded
+# when it makes sense. Currently, unused lints are excluded since many PRs will add
+# unused code that will be used in a later PR.
+name: golangci-lint feature branch
+on:
+  pull_request:
+    # Ignore if the target is main. (Negation of golanci-lint.yml)
+    branches-ignore:
+      - main
+permissions:
+  contents: read
+  # Optional: allow read access to pull request. Use with `only-new-issues` option.
+  # pull-requests: read
+
+jobs:
+  golangci:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/setup-go@v4
+        with:
+          go-version: '1.21'
+      - uses: actions/checkout@v4
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v3.7.0
+        with:
+          version: v1.54.2
+          args: --timeout 10m

README.md

@@ -41,7 +41,7 @@ This IBC implementation in Golang is built as a Cosmos SDK module. To understand
 
 ## Roadmap
 
-For an overview of upcoming changes to ibc-go take a look at the [roadmap](./docs/docs/01-ibc/09-roadmap.md).
+For an overview of upcoming changes to ibc-go take a look at the [roadmap](./docs/docs/01-ibc/10-roadmap.md).
 
 This roadmap is also available as a [project board](https://github.com/orgs/cosmos/projects/7/views/25).