Remove outdated aarch64 musl note (#16385)

We now build aarch64 musl Python distributions. I've also removed the
rye mention since it's now officially deprecated.

Author: konstin

docs/concepts/python-versions.md

@@ -444,7 +444,7 @@ As Python does not publish official distributable CPython binaries, uv instead u
 distributions from the Astral
 [`python-build-standalone`](https://github.com/astral-sh/python-build-standalone) project.
 `python-build-standalone` is also is used in many other Python projects, like
-[Rye](https://github.com/astral-sh/rye), [Mise](https://mise.jdx.dev/lang/python.html), and
+[Mise](https://mise.jdx.dev/lang/python.html) and
 [bazelbuild/rules_python](https://github.com/bazelbuild/rules_python).
 
 The uv Python distributions are self-contained, highly-portable, and performant. While Python can be
@@ -453,8 +453,7 @@ creating optimized, performant builds (e.g., with PGO and LTO enabled) is very s
 
 These distributions have some behavior quirks, generally as a consequence of portability; see the
 [`python-build-standalone` quirks](https://gregoryszorc.com/docs/python-build-standalone/main/quirks.html)
-documentation for details. Additionally, some platforms may not be supported (e.g., distributions
-are not yet available for musl Linux on ARM).
+documentation for details.
 
 ### PyPy distributions