chore: update CI dependencies to latest versions

[autopilot-project-manager]

CI Dependency Updates

This PR updates the following GitHub Actions dependencies to their latest versions:

• actions/checkout: v6 → v7
• actions/checkout: v6 → v7
• docker/setup-buildx-action: v3 → v4
• docker/setup-qemu-action: v3 → v4
• docker/login-action: v3 → v4
• docker/metadata-action: v5 → v6
• docker/build-push-action: v6 → v7
• azure/setup-kubectl: v4 → v5

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This PR was automatically created by GitHub PM Bot.

[github-actions]

PDF conversion benchmark

namespace=markitdown-server  memory_limit=2048Mi (2Gi)  budget_scale=1.0
(pod restarted before each book, so PEAK_MB is that book's own high-water mark)

BOOK                           SECONDS   BUDGET  PEAK_MB LIMIT_PCT     CHARS  VERDICT
-----------------------------------------------------------------------------------------
I Robot.pdf                        9.5       35      547      27%    410434  ok
Prelude to Foundation.pdf         15.8       55      584      29%    768223  ok
Foundation and Earth.pdf          43.4      180      632      31%    919223  ok
Foundation Trilogy.pdf            24.0       85      557      27%   1260851  ok

All books converted within time and memory budgets.
(per-book pod logs in /tmp/benchmark-pod-logs)

Commit ae67d9e · workflow run

[sirily11]

🎉 This PR is included in version 1.2.0 🎉

The release is available on GitHub release

Your semantic-release bot 📦🚀