[Bug fix] Patch a missing comma in freestall task input

[matthew7838]

Missing a comma in example_freestall_task.json that was accidentally removed on PR#2947. Adding a comma.

Context

Issue(s) closed by this pull request: closes #

What

Why

How

Test plan

Make sure python main.py is running.

Input Changes

Output Changes

• N/A

Filter

[github-actions]

Current Coverage: 99%

Mypy errors on patch-comma branch: 1191
Mypy errors on dev branch: 1191
No difference in error counts

[github-actions]

🚨 Please update the changelog. This PR cannot be merged until changelog.md is updated.
🚨 Unauthorized changes detected in protected files. Please remove these changes if they are not intended.

[github-actions]

Current Coverage: 99%

Mypy errors on patch-comma branch: 1191
Mypy errors on dev branch: 1191
No difference in error counts

[github-actions]

🚨 Unauthorized changes detected in protected files. Please remove these changes if they are not intended.

[github-actions]

Current Coverage: 99%

Mypy errors on patch-comma branch: 1190
Mypy errors on dev branch: 1190
No difference in error counts

[github-actions]

🚨 Unauthorized changes detected in protected files. Please remove these changes if they are not intended.