Update deps

[almothafar]

Summary

Update Dependencies only

Area

• 📦 Library (projects/auto-complete)
• 🎨 Demo app (projects/demo)
• ⬆️ Dependencies / Angular upgrade
• 🛠️ CI / tooling / repo config
• 📝 Docs

Changes

Impact

How to test

pnpm run build-lib:prod   # build the library first — the demo consumes the built dist
pnpm run build-docs       # demo/docs build (watch for NG8113 unused-import warnings)
pnpm run lint
pnpm exec ng test auto-complete --watch=false --browsers=ChromeHeadless
pnpm exec ng test demo --watch=false --browsers=ChromeHeadless
pnpm run format:check

Checklist

• Scope is small and single-concern
• Conventional Commit title
• build-lib:prod, build-docs, lint, unit tests (lib + demo) and format:check all pass
• CHANGELOG.md updated (every user-facing change)
• README.md updated (if the public API / usage changed)
• Breaking changes are documented — CHANGELOG.md + MIGRATION.md, title marked ! / BREAKING CHANGE: (or: this PR has none)

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