doc: update kernel and musl reqs for Alpine

These binaries are build with Alpine 3.23.

Author: kleisauke

BUILDING.md

@@ -128,15 +128,15 @@ releases for these platforms. Test failures on experimental platforms do not
 block releases. Contributions to improve support for these platforms are
 welcome.
 
-| Operating System | Architectures    | Versions                       | Notes                                          |
-| ---------------- | ---------------- | ------------------------------ | ---------------------------------------------- |
-| GNU/Linux        | x64              | kernel >= 3.10, musl >= 1.1.19 | e.g. Alpine 3.8                                |
-| GNU/Linux        | x86              | kernel >= 3.10, glibc >= 2.17  | Downgraded as of Node.js 10                    |
-| GNU/Linux        | armv7            | kernel >= 4.18, glibc >= 2.28  | Downgraded as of Node.js 24                    |
-| GNU/Linux        | loong64          | kernel >= 5.19, glibc >= 2.36  |                                                |
-| GNU/Linux        | riscv64          | kernel >= 5.19, glibc >= 2.36  | GCC >= 14 or Clang >= 19 for native builds[^5] |
-| FreeBSD          | x64              | >= 13.2                        |                                                |
-| OpenHarmony      | arm64            | >= 5.0                         |                                                |
+| Operating System | Architectures    | Versions                      | Notes                                          |
+| ---------------- | ---------------- | ----------------------------- | ---------------------------------------------- |
+| GNU/Linux        | x64              | kernel >= 6.18, musl >= 1.2.5 | e.g. Alpine 3.23                               |
+| GNU/Linux        | x86              | kernel >= 3.10, glibc >= 2.17 | Downgraded as of Node.js 10                    |
+| GNU/Linux        | armv7            | kernel >= 4.18, glibc >= 2.28 | Downgraded as of Node.js 24                    |
+| GNU/Linux        | loong64          | kernel >= 5.19, glibc >= 2.36 |                                                |
+| GNU/Linux        | riscv64          | kernel >= 5.19, glibc >= 2.36 | GCC >= 14 or Clang >= 19 for native builds[^5] |
+| FreeBSD          | x64              | >= 13.2                       |                                                |
+| OpenHarmony      | arm64            | >= 5.0                        |                                                |
 
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