ci(deps): update dependency ubuntu to v26 (main)

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
ubuntu		major	24.04 → 26.04
ubuntu		major	24.04-arm → 26.04-arm
ubuntu	github-runner	major	24.04 → 26.04
ubuntu	github-runner	major	24.04-arm → 26.04-arm

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ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Advanced

Run ID: dce96821-9a73-4eac-8b40-174d64ac5f95

📥 Commits

Reviewing files that changed from the base of the PR and between 983399c and 04954a9.

📒 Files selected for processing (5)

• .github/workflows/auto-pr.yml
• .github/workflows/build-push.yml
• .github/workflows/build.yml
• .github/workflows/devcontainer.yml
• .github/workflows/trivy.yml

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📝 Walkthrough

Walkthrough

GitHub Actions workflows now use Ubuntu 26.04 runners instead of Ubuntu 24.04 runners. The build workflow also updates its x86_64 and aarch64 runner matrices to the corresponding 26.04 images. Workflow triggers, conditions, permissions, and steps remain unchanged.

Changes

Ubuntu runner image update

Layer / File(s)	Summary
Build and test workflow runners .github/workflows/build.yml	The workflow's jobs and architecture matrices now use ubuntu-26.04 or ubuntu-26.04-arm, replacing the 24.04 images.
Other workflow runners .github/workflows/auto-pr.yml, .github/workflows/build-push.yml, .github/workflows/devcontainer.yml, .github/workflows/trivy.yml	The debug, review, backport, release, devcontainer-test, and Trivy jobs now use ubuntu-26.04.

Priority: ⬇️ Low

Estimated code review effort: 2 (Simple) | ~10 minutes

Change: Other

Suggested reviewers: viceice

Merge Risk: ⚪ Minimal · up to 04954

The workflows move to supported Ubuntu 26.04 runners, with no identified issue that warrants blocking the update.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly identifies the Ubuntu v26 update, which matches the main change across the GitHub Actions workflows.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches 💡 1

🧪 Generate unit tests (beta)

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🛠️ Fix failing CI checks 💡

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