Skip unnecessary builds in CI

[damianstasik]

New Issue Checklist

• I am not disclosing a vulnerability.
• I am not just asking a question.
• I have searched through existing issues.
• I can reproduce the issue with the latest versions of Parse Server and Parse Dashboard.

Issue Description

The main CI workflow can be optimized by skipping unnecessary builds.

Steps to reproduce

Actual Outcome

Most of the jobs take at least 2 minutes.

Expected Outcome

The same jobs should take around 1 minute (which can be cut even more later).

Environment

Logs

[parse-github-assistant]

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[parseplatformorg]

🎉 This change has been released in version 5.1.0-beta.2

[parseplatformorg]

🎉 This change has been released in version 5.1.0-alpha.11

[parseplatformorg]

🎉 This change has been released in version 5.1.0