ci: prevent regenerate-models from opening duplicate empty PRs #805

Job	Run time
PR title check	7s
Checks / Spell check	8s
Checks / Docstrings check	16s
Checks / Actions lint check	38s
Checks / Lint check / Lint check (3.12)	13s
Checks / Type check / Type check (3.11)	12s
Checks / Lint check / Lint check (3.11)	11s
Checks / Doc check / Docs check	1m 17s
Checks / Integration tests (3.14, ubuntu-latest)	2m 42s
Checks / Package check	26s
Checks / Integration tests (3.11, ubuntu-latest)	2m 53s
Checks / Lint check / Lint check (3.13)	17s
Checks / Type check / Type check (3.13)	38s
Checks / Lint check / Lint check (3.14)	15s
Checks / Unit tests / Unit tests (windows-latest, 3.14)	1m 11s
Checks / Type check / Type check (3.14)	15s
Checks / Unit tests / Unit tests (ubuntu-latest, 3.13)	49s
Checks / Unit tests / Unit tests (ubuntu-latest, 3.11)	51s
Checks / Unit tests / Unit tests (windows-latest, 3.11)	1m 9s
Checks / Unit tests / Unit tests (ubuntu-latest, 3.12)	45s
Checks / Unit tests / Unit tests (windows-latest, 3.12)	1m 23s
Checks / Type check / Type check (3.12)	17s
Checks / Unit tests / Unit tests (windows-latest, 3.13)	1m 17s
Checks / Unit tests / Unit tests (ubuntu-latest, 3.14)	54s
	19m 4s

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