chore(deps): update step-security/harden-runner action to v2.19.2

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
step-security/harden-runner	action	patch	v2.19.1 → v2.19.2

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Release Notes

step-security/harden-runner (step-security/harden-runner)

v2.19.2

Compare Source

What's Changed

• Update the Harden Runner agent for enterprise tier to use go 1.26 and fix minor bugs.

Full Changelog: step-security/harden-runner@v2.19.1...v2.19.2

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