Pull Request Overview

This PR addresses security vulnerabilities by moving GitHub workflow permissions from the workflow level to the job level, following security best practices to limit permission scope.

• Relocates permissions from workflow-level to job-level in three GitHub Actions workflows
• Removes workflow-level permissions in triggered-autobahn.yml (read-only workflow)
• Adds minor formatting improvement in autobahn.yml

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
.github/workflows/update-submodules.yml	Moves write permissions from workflow to job level
.github/workflows/triggered-autobahn.yml	Removes workflow-level permissions (job uses defaults)
.github/workflows/backport.yml	Moves write permissions from workflow to job level
.github/workflows/autobahn.yml	Adds blank line for formatting consistency

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