Gnuplot improvements 2

[julialongtin]

Change type

• Fix
• Feature
• Documentation
• Security / Upgrade

Basic information

• THIS CHANGE REQUIRES A DEPLOYMENT PACKAGE RELEASE
• THIS CHANGE REQUIRES A WIRE-DOCS RELEASE

Testing

• I ran/applied the changes myself, in a test environment.
• The CI job attached to this repo will test it for me.

Offline Build CI (label-based)

Add one or more labels to trigger offline builds:

• build-default - Full production build (ansible, terraform, all packages)
• build-demo - Demo/WIAB build
• build-min - Minimal build (fastest, essential charts only)
• build-all - Run all three builds

Note: No builds run by default. Add a label to trigger CI.

Tracking

• I added a new entry in an appropriate subdirectory of changelog.d
• I mentioned this PR in Jira, OR I mentioned the Jira ticket in this PR.
• I mentioned this PR in one of the issues attached to one of our repositories.

Knowledge Transfer

• An Asciinema session is attached to the Jira ticket.

Motivation

Objective

Reason

Use case

[sonarqubecloud]

Quality Gate failed

Failed conditions
11.1% Duplication on New Code (required ≤ 3%)

See analysis details on SonarQube Cloud