chore: update pyasn1

[andrzej-stencel]

Relates CVE-2026-30922.

Checklist

• [ ] My code follows the style guidelines of this project
• [ ] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [ ] I have made corresponding change to the default configuration files
• [ ] I have added tests that prove my fix is effective or that my feature works. Where relevant, I have used the stresstest.sh script to run them under stress conditions and race detector to verify their stability.
• [ ] I have added an entry in ./changelog/fragments using the changelog tool.

How to test this PR locally

cd metricbeat/module/kubernetes/_meta/terraform/eks
python3 -m venv .venv
source .venv/bin/activate
pip install -r requirements.txt
./.venv/bin/aws --version   # should print aws-cli/1.45.36 ...

Assisted-by: Opus 4.8 High

[infra-vault-gh-plugin-prod]

Pinging @elastic/elastic-agent-data-plane (Team:Elastic-Agent-Data-Plane)

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📥 Commits

Reviewing files that changed from the base of the PR and between 5acbbac and 655aa38.

📒 Files selected for processing (1)

• metricbeat/module/kubernetes/_meta/terraform/eks/requirements.txt

👮 Files not reviewed due to content moderation or server errors (1)

• metricbeat/module/kubernetes/_meta/terraform/eks/requirements.txt

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🚥 Pre-merge checks | ✅ 2

✅ Passed checks (2 passed)

Check name	Status	Explanation
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.

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[github-actions]

@Mergifyio backport 9.4 9.3 8.19

[mergify]

backport 9.4 9.3 8.19

✅ Backports have been created

Details

• #51733 [9.4](backport #51689) chore: update pyasn1 has been created for branch 9.4
• #51734 [9.3](backport #51689) chore: update pyasn1 has been created for branch 9.3
• #51735 [8.19](backport #51689) chore: update pyasn1 has been created for branch 8.19