Bump datamodel-code-generator from 0.57.0 to 0.64.0 #3798

Job	Run time
checks / readme-snippets	13s
checks / docs	57s
checks / pre-commit	43s
checks / test (3.11, lowest-direct, ubuntu-latest)	1m 24s
checks / test (3.11, lowest-direct, windows-latest)	2m 0s
checks / test (3.10, lowest-direct, ubuntu-latest)	1m 22s
checks / test (3.10, lowest-direct, windows-latest)	1m 52s
checks / test (3.13, lowest-direct, windows-latest)	2m 2s
checks / test (3.12, lowest-direct, windows-latest)	2m 6s
checks / test (3.10, locked, windows-latest)	1m 57s
checks / test (3.10, locked, ubuntu-latest)	1m 29s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 34s
checks / test (3.11, locked, ubuntu-latest)	1m 24s
checks / test (3.12, locked, ubuntu-latest)	1m 40s
checks / test (3.13, lowest-direct, ubuntu-latest)	1m 20s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 27s
checks / test (3.13, locked, ubuntu-latest)	1m 16s
checks / test (3.12, locked, windows-latest)	2m 5s
checks / test (3.11, locked, windows-latest)	1m 54s
checks / test (3.13, locked, windows-latest)	1m 56s
checks / test (3.14, locked, ubuntu-latest)	1m 17s
checks / test (3.14, locked, windows-latest)	2m 1s
checks / test (3.14, lowest-direct, windows-latest)	2m 4s
all-green	3s
	36m 6s

Provide feedback