chore: make CIs build in parallel

[realstealthninja]

Description of Change

Improve build times by making the builds parallel see TheAlgorithms/C-Plus-Plus/2714 for more information

References

Checklist

• [x] Added description of change
• [ ] Added file name matches File name guidelines
• [ ] Added tests and example, test must pass
• [ ] Relevant documentation/comments is changed or added
• [x] PR title follows semantic commit guidelines
• [x] Search previous suggestions before making a new one, as yours may be a duplicate.
• [x] I acknowledge that all my contributions will be made under the project's license.

Notes: