fix: use nodeJS <25

Errors when running with NodeJS v25:
```
> audiobookshelf
/usr/lib/audiobookshelf/node_modules/buffer-equal-constant-time/index.js:37
var origSlowBufEqual = SlowBuffer.prototype.equal;
                                  ^

TypeError: Cannot read properties of undefined (reading 'prototype')
    at Object.<anonymous> (/usr/lib/audiobookshelf/node_modules/buffer-equal-constant-time/index.js:37:35)
    at Module._compile (node:internal/modules/cjs/loader:1760:14)
    at Object..js (node:internal/modules/cjs/loader:1892:10)
    at Module.load (node:internal/modules/cjs/loader:1480:32)
    at Module._load (node:internal/modules/cjs/loader:1299:12)
    at TracingChannel.traceSync (node:diagnostics_channel:328:14)
    at wrapModuleLoad (node:internal/modules/cjs/loader:245:24)
    at Module.require (node:internal/modules/cjs/loader:1503:12)
    at require (node:internal/modules/helpers:152:16)
    at Object.<anonymous> (/usr/lib/audiobookshelf/node_modules/jwa/index.js:1:19)

Node.js v25.2.1
```

.SRCINFO

@@ -10,7 +10,7 @@ pkgbase = audiobookshelf
 	makedepends = npm
 	depends = ffmpeg
 	depends = libnusqlite3
-	depends = nodejs
+	depends = nodejs-lts-iron
 	options = !debug
 	backup = etc/conf.d/audiobookshelf
 	source = audiobookshelf-2.30.0.tar.gz::https://github.com/advplyr/audiobookshelf/archive/refs/tags/v2.30.0.tar.gz

PKGBUILD

@@ -10,7 +10,7 @@ pkgdesc="Self-hosted audiobook server for managing and playing audiobooks"
 arch=("x86_64" "aarch64")
 url="https://github.com/advplyr/${pkgname}"
 license=('GPL-3.0-only')
-depends=("ffmpeg" "libnusqlite3" "nodejs")
+depends=("ffmpeg" "libnusqlite3" "nodejs-lts-iron")
 makedepends=("npm")
 backup=("etc/conf.d/${pkgname}")
 options=("!debug")