[CI] Issue: HPCINFRA-3898 coverity agressiveness

[NirWolfer]

Change --aggressiveness-level to medium

Requested in: HPCINFRA-3898

[galnoam]

@NirWolfer can you rebase on bashar changes, i want to see the cov issue we get in the CI
@BasharRadya after the run, put it in the RM ticket

[NirWolfer]

Please check https://nbuprod.blsm.nvidia.com/swx-media-master/job/libxlio/job/LibXLIO-opensource/1763/
Kept this build forever so you can analyze it

[greptile-apps]

Greptile Overview

Greptile Summary

This PR increases the Coverity static analysis aggressiveness level from low to medium in the CI pipeline script contrib/jenkins_tests/cov.sh. This configuration change affects how deeply Coverity analyzes the codebase for potential defects during automated testing. The change integrates with the existing CI infrastructure in .ci/ which orchestrates the Jenkins pipeline stages including static analysis steps. By raising the sensitivity, the team aims to catch more subtle code quality issues, though this may also increase false positive reports and slightly extend analysis time. The modification is minimal and self-contained, touching only the cov-analyze command invocation while leaving the build, error reporting, and commit submission logic intact.

Confidence: 5/5

This is a straightforward configuration change with no logic modifications, no security implications, and clear intent documented in the referenced JIRA ticket. The change is low-risk and well-understood within the context of static analysis tooling.

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[NirWolfer]

@BasharRadya Please check the coverity errors

[galnoam]

@OmriRitblat, please work with bashar on this.