docs: rename app v2 to app di when talking about runtime v0 (backport #21329) (#21334)

Co-authored-by: Julien Robert <julien@rbrt.fr>

UPGRADING.md

@@ -31,9 +31,9 @@ clientCtx = clientCtx.
 + WithValidatorPrefix("cosmosvaloper")
 ```
 
-**When using `depinject` / `app v2`, the client codecs can be provided directly from application config.**
+**When using `depinject` / `app_di`, the client codecs can be provided directly from application config.**
 
-Refer to SimApp `root_v2.go` and `root.go` for an example with an app v2 and a legacy app.
+Refer to SimApp `root_v2.go` and `root.go` for an example with an app di and a legacy app.
 
 Additionally, a simplification of the start command leads to the following change:
 

client/v2/README.md

@@ -38,7 +38,7 @@ Here are the steps to use AutoCLI:
 
 1. Ensure your app's modules implements the `appmodule.AppModule` interface.
 2. (optional) Configure how to behave as `autocli` command generation, by implementing the `func (am AppModule) AutoCLIOptions() *autocliv1.ModuleOptions` method on the module.
-3. Use the `autocli.AppOptions` struct to specify the modules you defined. If you are using `depinject` / app v2, it can automatically create an instance of `autocli.AppOptions` based on your app's configuration.
+3. Use the `autocli.AppOptions` struct to specify the modules you defined. If you are using `depinject`, it can automatically create an instance of `autocli.AppOptions` based on your app's configuration.
 4. Use the `EnhanceRootCommand()` method provided by `autocli` to add the CLI commands for the specified modules to your root command.
 
 :::tip

docs/build/building-apps/03-app-upgrade.md

@@ -53,7 +53,7 @@ be a matter of minutes and not even require them to be awake at that time.
 ## Integrating With An App
 
 :::tip
-The following is not required for users using `depinject` / app v2, this is abstracted for them.
+The following is not required for users using `depinject`, this is abstracted for them.
 :::
 
 In addition to basic module wiring, setup the upgrade Keeper for the app and then define a `PreBlocker` that calls the upgrade

docs/build/building-modules/01-module-manager.md

@@ -260,7 +260,7 @@ Here's an example of a concrete integration within an `simapp`:
 https://github.com/cosmos/cosmos-sdk/blob/v0.50.0-alpha.0/simapp/app.go#L411-L434
 ```
 
-This is the same example from `runtime` (the package that powers app v2):
+This is the same example from `runtime` (the package that powers app di):
 
 ```go reference
 https://github.com/cosmos/cosmos-sdk/blob/v0.50.0-alpha.0/runtime/module.go#L61

simapp/app_test.go

@@ -51,7 +51,7 @@ func TestSimAppExportAndBlockedAddrs(t *testing.T) {
 		AppOpts: simtestutil.NewAppOptionsWithFlagHome(t.TempDir()),
 	})
 
-	// BlockedAddresses returns a map of addresses in app v1 and a map of modules name in app v2.
+	// BlockedAddresses returns a map of addresses in app v1 and a map of modules name in app di.
 	for acc := range BlockedAddresses() {
 		var addr sdk.AccAddress
 		if modAddr, err := sdk.AccAddressFromBech32(acc); err == nil {