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

[B4nan]

Summary

Migrates the website/ subdirectory from Yarn 4 to pnpm 10 as part of an org-wide supply-chain hardening migration. The Python root (managed by uv) is unchanged.

Enables pnpm's minimumReleaseAge (1 day / 1440 minutes) to block installing packages published within the last 24h, with exclusions for first-party scopes @apify/* and @crawlee/*. Renovate is updated with internalChecksFilter: strict and a matching 0-day package rule so our own releases are not held back.

Changes

• website/package.json — packageManager now pnpm@10.24.0; adds name: apify-sdk-python-website and private: true; all scripts rewritten from yarn X to pnpm X
• website/pnpm-workspace.yaml (new) — minimumReleaseAge: 1440 plus exclusions for @apify/* and @crawlee/*
• website/.npmrc (new) — node-linker=hoisted + workspace hoisting settings to mirror the previous yarn node-modules layout
• website/.yarnrc.yml, website/yarn.lock — removed (no .yarn/patches/ existed in this repo, so nothing was preserved)
• website/pnpm-lock.yaml (new) — generated via pnpm install
• website/docusaurus.config.js — renamed future.experimental_faster -> future.faster (Docusaurus 3.10 rename, forward-compatible)
• .github/actions/pnpm-install/action.yml (new) — composite action copied from apify-client-js, extended with a working-directory input so it can install inside website/ without changing the caller's default directory
• .github/workflows/_release_docs.yaml — git add website/yarn.lock -> git add website/pnpm-lock.yaml in the auto-commit step of the docs-theme update
• .github/workflows/manual_release_stable.yaml — removed corepack enable && yarn install, installs via the new composite action with working-directory: website; npx docusaurus -> pnpm exec docusaurus
• pyproject.toml — poe tasks update-docs-theme, build-docs, run-docs now invoke pnpm directly (no more corepack enable && yarn)
• renovate.json — adds internalChecksFilter: strict and a packageRule matching @apify/* / @crawlee/* with minimumReleaseAge: 0 days. ignoreDeps unchanged (did not contain yarn).
• .gitignore — replaced website/.yarn with website/.pnpm-store

Verification

• pnpm install and pnpm install --frozen-lockfile both succeed in website/
• Existing peer-dependency warnings (eslint v10, typescript v6, styled-components) pre-date this migration and are carried over unchanged
• Local docusaurus build was attempted but could not complete outside CI because the typedoc plugin spawns python (not python3) and this laptop doesn't expose python on PATH; in CI actions/setup-python provides python so this will resolve there. This is orthogonal to the pnpm migration.
• pnpm lint surfaces an eslint v10 flat-config error that pre-dates this PR (no eslint.config.js present). Not introduced here.

🤖 Generated with Claude Code

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.64%. Comparing base (71d83b5) to head (4688e36).

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #855      +/-   ##
==========================================
+ Coverage   86.57%   86.64%   +0.06%     
==========================================
  Files          48       48              
  Lines        2920     2920              
==========================================
+ Hits         2528     2530       +2     
+ Misses        392      390       -2     

Flag	Coverage Δ
e2e	37.87% <ø> (ø)
integration	59.28% <ø> (ø)
unit	74.69% <ø> (+0.06%)	⬆️

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[vdusek]

could you do it for crawlee-python as well?