[infra] Increase install time limit to 20s

[davebayer]

I've ran into problems with packaging running out of time during installation. This PR updates the limit from 10s to 20s

[coderabbitai]

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Reviewing files that changed from the base of the PR and between 3f440b9 and f149fb1.

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• ci/install_packaging.sh

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📝 Walkthrough

Summary by CodeRabbit

• Chores
  • Updated installation timeout configuration in the build process to accommodate extended validation timeframes.

Walkthrough

The PR updates a single configuration constant in the CI packaging installation script, increasing the time limit for installation operations from 10 to 20 seconds. This extends the window before timeout enforcement applies to installation variant checks.

Changes

CI installation time limit

Layer / File(s)	Summary
Install time limit constant adjustment ci/install_packaging.sh	install_time_limit constant increased from 10 to 20 seconds, extending allowed execution time for subsequent timing validation checks.

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[github-actions]

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