Update CLA Assistant bot token action to v3

[Ziegler András (AndrasZiegler)]

Summary

Updates the CLA Assistant workflow to use the current version of the GitHub App token action.

Change

Changed:

uses: actions/create-github-app-token@v2

to:

uses: actions/create-github-app-token@v3

Scope

• Repository: SiliconLabsSoftware/bluetooth_stack_features
• Workflow file: .github/workflows/01-cla-assistant.yml
• Branch: SOSC-267-update-cla-action

Validation

• Confirmed the outdated @v2 reference is removed from the affected workflow.
• Confirmed the workflow YAML change is limited to the action version update.
• No functional workflow logic was changed.

Checklist

• Reviewed the workflow diff
• Confirmed the CLA Assistant workflow remains unchanged otherwise
• Confirmed this is ready for review

[cursor]

PR Summary

Low Risk
Single dependency version bump in CI with no changes to CLA logic, permissions, or secrets wiring.

Overview
Bumps the CLA Assistant workflow step that mints the GitHub App bot token from actions/create-github-app-token@v2 to @v3.

No other workflow logic, secrets, or inputs change; this is the only create-github-app-token reference in .github/workflows.

^{Reviewed by Cursor Bugbot for commit 4f73c7b. Configure here.}