add permission to write to pull request for handle version update job

[rtpascual]

Problem

handle_dependabot_version_update job does not have the permission to write to Dependabot PRs, see https://github.com/aws-amplify/amplify-backend/actions/runs/12590013366/job/35090960677?pr=2387

Issue number, if available:

Changes

Add permission mentioned in https://github.com/aws-amplify/amplify-backend/actions/runs/12590013366/job/35090960677?pr=2387#step:5:41 for the handle_dependabot_version_update job.

Corresponding docs PR, if applicable:

Validation

Checklist

• If this PR includes a functional change to the runtime behavior of the code, I have added or updated automated test coverage for this change.
• If this PR requires a change to the Project Architecture README, I have included that update in this PR.
• If this PR requires a docs update, I have linked to that docs PR above.
• If this PR modifies E2E tests, makes changes to resource provisioning, or makes SDK calls, I have run the PR checks with the run-e2e label set.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[changeset-bot]

⚠️ No Changeset found

Latest commit: 9c0bf95

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