grammar, than to then (#1937)

## Description

In `src/types/k8s.go` we are using than when it should be then for
correct grammar

## Related Issue

Fixes #1936 
<!-- or -->
Relates to #

## Type of change

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

## Checklist before merging

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

---------

Signed-off-by: Case Wylie <[email protected]>

src/types/k8s.go

@@ -47,8 +47,8 @@ type InstalledChart struct {
 type GitServerInfo struct {
 	PushUsername string `json:"pushUsername" jsonschema:"description=Username of a user with push access to the git repository"`
 	PushPassword string `json:"pushPassword" jsonschema:"description=Password of a user with push access to the git repository"`
-	PullUsername string `json:"pullUsername" jsonschema:"description=Username of a user with pull-only access to the git repository. If not provided for an external repository than the push-user is used"`
-	PullPassword string `json:"pullPassword" jsonschema:"description=Password of a user with pull-only access to the git repository. If not provided for an external repository than the push-user is used"`
+	PullUsername string `json:"pullUsername" jsonschema:"description=Username of a user with pull-only access to the git repository. If not provided for an external repository then the push-user is used"`
+	PullPassword string `json:"pullPassword" jsonschema:"description=Password of a user with pull-only access to the git repository. If not provided for an external repository then the push-user is used"`
 
 	Address        string `json:"address" jsonschema:"description=URL address of the git server"`
 	InternalServer bool   `json:"internalServer" jsonschema:"description=Indicates if we are using a git server that Zarf is directly managing"`

src/ui/lib/api-types.ts

@@ -135,12 +135,12 @@ export interface GitServerInfo {
     internalServer: boolean;
     /**
      * Password of a user with pull-only access to the git repository. If not provided for an
-     * external repository than the push-user is used
+     * external repository then the push-user is used
      */
     pullPassword: string;
     /**
      * Username of a user with pull-only access to the git repository. If not provided for an
-     * external repository than the push-user is used
+     * external repository then the push-user is used
      */
     pullUsername: string;
     /**