[enriched/git] Add 'non_authored_*' commit meta fields

[zhquan]

This code adds non_authored_* commit meta fields the same as commit meta fields excluding the commit author.

For instance:

• Commit author: John Smith
• Signed-off-by: John Smith, Tom Jerry

meta fields:

• signed_off_by_multi_names: ["John Smith", "Tom Jerry"]
• non_authored_signed_off_by_multi_names: ["Tom Jerry"]

New fields on meta_fields:

• non_authored_acked_by_multi
• non_authored_co_developed_by_multi
• non_authored_reported_by_multi
• non_authored_reviewed_by_multi
• non_authored_signed_off_by_multi
• non_authored_suggested_by_multi
• non_authored_tested_by_multi

Test updated accordingly. Schema updated accordingly.

Signed-off-by: Quan Zhou quan@bitergia.com

[coveralls]

Pull Request Test Coverage Report for Build 1449518752

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 422 unchanged lines in 3 files lost coverage.
• Overall coverage decreased (-0.1%) to 81.812%

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Files with Coverage Reduction	New Missed Lines	%
/home/runner/work/grimoirelab-elk/grimoirelab-elk/grimoire_elk/enriched/git.py	107	71.89%
/home/runner/work/grimoirelab-elk/grimoirelab-elk/grimoire_elk/elk.py	140	10.85%
/home/runner/work/grimoirelab-elk/grimoirelab-elk/grimoire_elk/enriched/enrich.py	175	71.39%
<!--	Total:	422		-->

Totals
Change from base Build 1426892336:	-0.1%
Covered Lines:	8740
Relevant Lines:	10683

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💛 - Coveralls

[jjmerchante]

LGTM!