chore(deps): update step-security/harden-runner action to v2.19.4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
step-security/harden-runner	action	patch	v2.19.1 → v2.19.4

---

Release Notes

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

v2.19.4

Compare Source

What's Changed

• Improvements for HTTPS Monitoring for the Enterprise tier of Harden Runner

Full Changelog: step-security/harden-runner@v2.19.3...v2.19.4

v2.19.3

Compare Source

What's Changed

• Default to audit mode when api-key missing with use-policy-store by @​varunsh-coder in #​665

Full Changelog: step-security/harden-runner@v2.19.2...v2.19.3

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

---

Configuration

📅 Schedule: (UTC)

• Branch creation
  • At any time (no schedule defined)
• Automerge
  • At any time (no schedule defined)

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 75.00%. Comparing base (a80f975) to head (5b2ec1b).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #154   +/-   ##
=======================================
  Coverage   75.00%   75.00%           
=======================================
  Files           1        1           
  Lines          60       60           
  Branches       15       15           
=======================================
  Hits           45       45           
  Partials       15       15           

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[github-actions]

Test Results

  5 files    5 suites   20s ⏱️
 25 tests  25 ✅ 0 💤 0 ❌
125 runs  125 ✅ 0 💤 0 ❌

Results for commit 5b2ec1b.