[WIP] Fix failing GitHub Actions job Validate Board Files

[Copilot]

• Inspect failing GitHub Actions run and job logs to identify root cause
• Locate the failing workflow step in repository CI configuration
• Implement the minimal permission-safe workflow fix
• Run existing validation/test commands relevant to the change
• Re-run targeted checks locally and verify no unrelated files changed
• Run parallel validation (Code Review + CodeQL) and address any findings

[xilinxgitops]

Can one of the admins verify this patch?