chore(website): migrate to pnpm and enable minimum release age #496

Job	Run time
PR title check	5s
Docstrings checks / Docstrings checks	15s
Code checks / Actions lint check	32s
Tests / Integration tests (3.14, ubuntu-latest)	2m 21s
Tests / Integration tests (3.11, ubuntu-latest)	2m 25s
Code checks / Spell check	6s
Code checks / Lint check / Lint check (3.12)	12s
Doc checks / Doc checks / Docs check	1m 29s
Code checks / Lint check / Lint check (3.13)	10s
Code checks / Lint check / Lint check (3.11)	13s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.13)	44s
Code checks / Type check / Type check (3.11)	13s
Code checks / Type check / Type check (3.14)	13s
Code checks / Type check / Type check (3.12)	12s
Code checks / Type check / Type check (3.13)	10s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.11)	37s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.12)	41s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.14)	43s
Tests / Unit tests / Unit tests (windows-latest, 3.12)	1m 11s
Tests / Unit tests / Unit tests (windows-latest, 3.11)	1m 25s
Tests / Unit tests / Unit tests (windows-latest, 3.13)	59s
Code checks / Lint check / Lint check (3.14)	10s
Tests / Unit tests / Unit tests (windows-latest, 3.14)	1m 13s
	16m 19s

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