mailmap: Add entries for Niloth P & Sashank Ravipati. #3582

Job	Run time
Lint - Code format (black)	24s
Lint - Docstrings & docs sync (lint-docstring)	19s
Lint - Commit text format (gitlint)	1s
Lint - Hotkeys & docs sync (lint-hotkeys)	12s
Lint - Import order (isort)	14s
Lint - Type consistency (mypy)	29s
Lint - PEP8 & more (ruff)	17s
Lint - Spellcheck (codespell, typos)	15s
Install & test - CPython 3.7 (ubuntu), codecov	56s
Ensure isolated PR commits	2s
Install & test - CPython 3.8 (ubuntu)	1m 7s
Install & test - CPython 3.9 (ubuntu)	52s
Install & test - CPython 3.10 (ubuntu)	57s
Install & test - CPython 3.11 (ubuntu)	55s
Install & test - PyPy 3.7 (ubuntu)	2m 26s
Install & test - PyPy 3.8 (ubuntu)	2m 44s
Install & test - PyPy 3.9 (ubuntu)	2m 8s
Install & test - PyPy 3.10 (ubuntu)	2m 16s
Install & test - CPython 3.11 (macos)	37s
	17m 11s

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