feat(templates): Drop Python 3.7 support in cookiecutter templates #4278

Job	Run time
Test on 3.7 (tests) / ubuntu-latest / SQLAlchemy: 2.*	1m 7s
Test on 3.8 (tests) / ubuntu-latest / SQLAlchemy: 2.*	1m 21s
Test on 3.9 (tests) / ubuntu-latest / SQLAlchemy: 2.*	1m 20s
Test on 3.10 (tests) / ubuntu-latest / SQLAlchemy: 2.*	1m 11s
External Tests	0s
Test on 3.11 (tests) / ubuntu-latest / SQLAlchemy: 2.*	1m 11s
Test on 3.7 (tests) / macos-latest / SQLAlchemy: 2.*	1m 51s
Test on 3.8 (tests) / macos-latest / SQLAlchemy: 2.*	2m 11s
Test on 3.9 (tests) / macos-latest / SQLAlchemy: 2.*	2m 0s
Test on 3.10 (tests) / macos-latest / SQLAlchemy: 2.*	2m 2s
Test on 3.11 (tests) / macos-latest / SQLAlchemy: 2.*	2m 30s
Test on 3.7 (tests) / windows-latest / SQLAlchemy: 2.*	3m 52s
Test on 3.8 (tests) / windows-latest / SQLAlchemy: 2.*	3m 16s
Test on 3.9 (tests) / windows-latest / SQLAlchemy: 2.*	2m 45s
Test on 3.10 (tests) / windows-latest / SQLAlchemy: 2.*	3m 31s
Test on 3.11 (tests) / windows-latest / SQLAlchemy: 2.*	2m 29s
Test on 3.11 (tests) / ubuntu-latest / SQLAlchemy: 1.*	1m 32s
Test on 3.10 (doctest) / ubuntu-latest / SQLAlchemy: 2.*	37s
Test on 3.8 (mypy) / ubuntu-latest / SQLAlchemy: 2.*	52s
Test on 3.10 (benches) / ubuntu-latest / SQLAlchemy: 2.*	1m 0s
Coverage	47s
	37m 25s

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