[Misc] Apply SonarCloud rule cpp:S6003 (!1132) · Merge requests · CTA / CTA · GitLab

Description

Rule name: Replace this use of "push_back" with "emplace_back".
Rule code: cpp:S6003
Rule link: https://sonarcloud.io/project/issues?open=AY7x-fhfV9P8dXPocgMR&id=cern-cta_CTA

Checklist

Documentation reflects the changes made.
Merge Request title is clear, concise, and suitable as a changelog entry. See our contributing docs

References

Closes #1394 (closed)