chore: bump manifest header

[tiffanny29631]

Unblock the presubmit.

TODO: We want to have a better solution to not overwrite the header for existing files.

[gemini-code-assist]

Summary of Changes

Hello @tiffanny29631, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request performs a routine maintenance task by updating the copyright year in several YAML manifest files. The primary goal is to resolve an issue preventing presubmit checks from passing, ensuring that the project's copyright information remains current.

Highlights

• Copyright Year Update: The copyright year in six manifest files has been updated from 2025 to 2026. This change is intended to unblock presubmit checks, as indicated in the PR description.

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[gemini-code-assist]

Code Review

This pull request updates the copyright year from 2025 to 2026 across several manifest files. The changes are straightforward and appear to be a routine update to unblock presubmits, as noted in the description. I have no specific comments on the code changes.

[Camila-B]

/lgtm

[google-oss-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Camila-B

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