jira sprint list --raw does not output json as per the help

**Describe the bug**

**Please provide following details**
1. JiraCLI Version:
```
(Version="1.7.0", GitCommit="Homebrew", CommitDate="2025-08-30T08:30:25+00:00", GoVersion="go1.25.1", Compiler="gc", Platform="darwin/arm64")
```
2. Are you using Jira cloud or on-premise jira server?
```
SERVER INFO
-----------

Version: 1001.0.0-SNAPSHOT
Build Number: 100290
Deployment Type: Cloud
Default Locale: en_US
```
3. What operating system are you using? Also mention version.
```
Mac
```
4. What terminal are you using? Also mention version.
```
Warp
```

**To Reproduce**

Steps to reproduce the behavior:
1. run `jira sprint list --json`
2. output is not json

**Expected behavior**
json output