ci: Remove volatile metadata from generated models header #423

Job	Run time
PR title check	5s
Code checks / Spell check	8s
Docstrings checks / Docstrings checks	11s
Code checks / Actions lint check	30s
Tests / Integration tests (3.14, ubuntu-latest)	2m 15s
Tests / Integration tests (3.11, ubuntu-latest)	2m 19s
Doc checks / Doc checks / Docs check	1m 18s
Code checks / Lint check / Lint check (3.12)	11s
Code checks / Type check / Type check (3.12)	11s
Code checks / Type check / Type check (3.11)	10s
Code checks / Lint check / Lint check (3.11)	10s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.13)	44s
Code checks / Type check / Type check (3.13)	11s
Code checks / Lint check / Lint check (3.13)	12s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.14)	38s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.12)	44s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.11)	41s
Code checks / Lint check / Lint check (3.14)	10s
Tests / Unit tests / Unit tests (windows-latest, 3.14)	1m 1s
Tests / Unit tests / Unit tests (windows-latest, 3.12)	1m 52s
Tests / Unit tests / Unit tests (windows-latest, 3.13)	1m 7s
Code checks / Type check / Type check (3.14)	13s
Tests / Unit tests / Unit tests (windows-latest, 3.11)	1m 2s
	16m 3s

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