release: nginx-src 1.28.5+1.28.3

[bavshin-f5]

Container images are being published right now, will be available by the end of the day.

[Copilot]

Pull request overview

Updates the vendored NGINX source and accompanying version references to match the new nginx-src release.

Changes:

• Bump nginx-src crate version to 1.28.5+1.28.3.
• Update the NGINX submodule commit to the latest referenced revision.
• Refresh documentation/examples and Docker build args to use NGINX 1.28.3.

Reviewed changes

Copilot reviewed 5 out of 6 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
src/lib.rs	Updates crate docs example to reference NGINX 1.28.3 build directory.
nginx-src/nginx	Advances the NGINX submodule pointer to a newer commit.
nginx-src/Cargo.toml	Bumps crate version to align with NGINX 1.28.3.
README.md	Updates README example to reference NGINX 1.28.3 build directory.
Dockerfile	Updates default NGX_VERSION to 1.28.3 and adjusts the tag example comment.

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.