PYTHON-5576: add PR template to mongo-python-driver #8326

Job	Run time
static	3m 47s
CPython 3.10-ubuntu-latest	11m 54s
CPython pypy-3.10-ubuntu-latest	12m 24s
CPython 3.13t-ubuntu-latest	11m 28s
Link Check	2m 38s
DocTest	1m 9s
Docs Checks	44s
Integration Tests	1m 4s
Typing Tests (3.11)	54s
Typing Tests (3.10)	57s
Make an sdist	14s
Test minimum dependencies and Python	47s
Install from SDist and Test	50s
	48m 50s

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