Update ComponentArrays requirement to 0.15.30 in /docs

Updates the requirements on [ComponentArrays](https://github.com/SciML/ComponentArrays.jl) to permit the latest version.
- [Release notes](https://github.com/SciML/ComponentArrays.jl/releases)
- [Changelog](https://github.com/SciML/ComponentArrays.jl/blob/main/NEWS.md)
- [Commits](SciML/ComponentArrays.jl@v0.1.0...v0.15.30)

---
updated-dependencies:
- dependency-name: ComponentArrays
  dependency-version: 0.15.30
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

docs/Project.toml

@@ -15,5 +15,6 @@ Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 Zygote = "e88e6eb3-aa80-5325-afca-941959d7151f"
 
 [compat]
+ComponentArrays = "0.15.31"
 Documenter = "1.3"
 Literate = "2.21.0"