[monitoring-plugins] Fix/check load inconsistencies (#2269)

[GitHub]

    Module: monitoring-plugins
    Branch: master
    Commit: e1cde41866912ff4369145842c6e47a93b17d5e2
    Author: Lorenz Kästle <12514511+RincewindsHat at users.noreply.github.com>
 Committer: GitHub <noreply at github.com>
      Date: Wed May 27 11:25:31 2026 +0200
       URL: https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=e1cde418

Fix/check load inconsistencies (#2269)

* Remove redundant new line in multi-line outputs

* check_load: Fix missing brace in output

* check_load: rename function to properly indicate purpose

* check_load: show the correct amount of procs

* check_load: allow execution without parameters

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Co-authored-by: Lorenz Kästle <lorenz.kaestle at netways.de>

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