Notify pipeline syntax/configuration errors

[v1v]

What does this PR do?

This is a workaround to notify pipeline failures while there are no failed steps. With a new section in the build comment

Why is it important?

Help users to debug easily when there are pipeline syntax errors or even configuration files.

Related issues

Relates to #1555

[apmmachine]

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Build stats

• Start Time: 2022-02-17T14:51:53.729+0000

• Duration: 11 min 26 sec

Test stats 🧪

Test	Results
Failed	0
Passed	1361
Skipped	2
Total	1363

💚 Flaky test report

Tests succeeded.

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