Update help text for --storage-class flag of zarf init (#1719)

## Description

Update help text for --storage-class flag of zarf init

## Related Issue

Fixes #1716 

## Type of change

- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [X] Other (security config, docs update, etc)

## Checklist before merging

- [ ] Test, docs, adr added or updated as needed
- [ ] [Contributor Guide
Steps](https://github.com/defenseunicorns/zarf/blob/main/CONTRIBUTING.md#developer-workflow)
followed

docs/2-the-zarf-cli/100-cli-commands/zarf_init.md

@@ -63,7 +63,7 @@ zarf init --git-push-password={PASSWORD} --git-push-username={USERNAME} --git-ur
       --registry-secret string          Registry secret value
       --registry-url string             External registry url address to use for this Zarf cluster
       --set stringToString              Specify deployment variables to set on the command line (KEY=value) (default [])
-      --storage-class string            Specify the storage class to use for the registry.  E.g. --storage-class=standard
+      --storage-class string            Specify the storage class to use for the registry and git server.  E.g. --storage-class=standard
 ```
 
 ## Options inherited from parent commands

src/config/lang/english.go

@@ -136,7 +136,7 @@ zarf init --git-push-password={PASSWORD} --git-push-username={USERNAME} --git-ur
 
 	CmdInitFlagConfirm      = "Confirms package deployment without prompting. ONLY use with packages you trust. Skips prompts to review SBOM, configure variables, select optional components and review potential breaking changes."
 	CmdInitFlagComponents   = "Specify which optional components to install.  E.g. --components=git-server,logging"
-	CmdInitFlagStorageClass = "Specify the storage class to use for the registry.  E.g. --storage-class=standard"
+	CmdInitFlagStorageClass = "Specify the storage class to use for the registry and git server.  E.g. --storage-class=standard"
 
 	CmdInitFlagGitURL      = "External git server url to use for this Zarf cluster"
 	CmdInitFlagGitPushUser = "Username to access to the git server Zarf is configured to use. User must be able to create repositories via 'git push'"