feat(templates): Drop Python 3.7 support in cookiecutter templates #4290

Job	Run time
Test on 3.7 (tests) / ubuntu-latest / SQLAlchemy: 2.*	1m 12s
External Tests	0s
Test on 3.8 (tests) / ubuntu-latest / SQLAlchemy: 2.*	1m 6s
Test on 3.9 (tests) / ubuntu-latest / SQLAlchemy: 2.*	1m 24s
Test on 3.10 (tests) / ubuntu-latest / SQLAlchemy: 2.*	1m 23s
Test on 3.11 (tests) / ubuntu-latest / SQLAlchemy: 2.*	1m 20s
Test on 3.7 (tests) / macos-latest / SQLAlchemy: 2.*	1m 57s
Test on 3.8 (tests) / macos-latest / SQLAlchemy: 2.*	1m 55s
Test on 3.9 (tests) / macos-latest / SQLAlchemy: 2.*	1m 35s
Test on 3.10 (tests) / macos-latest / SQLAlchemy: 2.*	2m 0s
Test on 3.11 (tests) / macos-latest / SQLAlchemy: 2.*	2m 7s
Test on 3.7 (tests) / windows-latest / SQLAlchemy: 2.*	2m 42s
Test on 3.8 (tests) / windows-latest / SQLAlchemy: 2.*	2m 48s
Test on 3.9 (tests) / windows-latest / SQLAlchemy: 2.*	2m 31s
Test on 3.10 (tests) / windows-latest / SQLAlchemy: 2.*	3m 32s
Test on 3.11 (tests) / windows-latest / SQLAlchemy: 2.*	2m 46s
Test on 3.11 (tests) / ubuntu-latest / SQLAlchemy: 1.*	1m 15s
Test on 3.10 (doctest) / ubuntu-latest / SQLAlchemy: 2.*	36s
Test on 3.8 (mypy) / ubuntu-latest / SQLAlchemy: 2.*	51s
Test on 3.10 (benches) / ubuntu-latest / SQLAlchemy: 2.*	57s
Coverage	55s
	34m 52s

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