noir 0.21.1

[hahwul]

Created with brew bump-formula-pr.

release notes

## What's Changed
* [ImgBot] Optimize images by @imgbot in https://github.com/owasp-noir/noir/pull/585
* Skip symlinks during llm analysis by @ksg97031 in https://github.com/owasp-noir/noir/pull/587
* Add Crystal version 1.16.0 to CI build matrix by @hahwul in https://github.com/owasp-noir/noir/pull/588
* build(deps): Bump golang.org/x/net from 0.36.0 to 0.38.0 in /spec/functional_test/fixtures/go/gin by @dependabot in https://github.com/owasp-noir/noir/pull/591
* build(deps): Bump golang.org/x/net from 0.36.0 to 0.38.0 in /spec/functional_test/fixtures/go/beego by @dependabot in https://github.com/owasp-noir/noir/pull/592
* build(deps): Bump nokogiri from 1.18.4 to 1.18.8 in /docs by @dependabot in https://github.com/owasp-noir/noir/pull/593
* Migrate documentation from Jekyll to Hugo by @hahwul in https://github.com/owasp-noir/noir/pull/595
* build(deps): Bump golang.org/x/net from 0.36.0 to 0.38.0 in /spec/functional_test/fixtures/go/echo by @dependabot in https://github.com/owasp-noir/noir/pull/598
* feat: Add --ai-max-token flag for LLM token limit control by @hahwul in https://github.com/owasp-noir/noir/pull/599
* Fixed bug in max_tokens by @hahwul in https://github.com/owasp-noir/noir/pull/600
* Linting by @hahwul in https://github.com/owasp-noir/noir/pull/601
* Update version from v0.21.0 to v0.21.1 by @hahwul in https://github.com/owasp-noir/noir/pull/602
* Add AI token limit configuration option by @hahwul in https://github.com/owasp-noir/noir/pull/603
* Fixed [USN-7467-1: CVE-2025-32414, CVE-2025-32415](https://ubuntu.com/security/notices/USN-7467-1) Update outdated Ubuntu packages by @hahwul in https://github.com/owasp-noir/noir/issues/597 
Full Changelog: owasp-noir/noir@v0.21.0...v0.21.1

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