rosenthal: Add go-1.24.

* modules/rosenthal/packages/golang.scm: New file.

modules/rosenthal/packages/golang.scm

@@ -0,0 +1,27 @@
+;; SPDX-FileCopyrightText: 2025 Hilton Chain <hako@ultrarare.space>
+;;
+;; SPDX-License-Identifier: GPL-3.0-or-later
+
+(define-module (rosenthal packages golang)
+  #:use-module (guix packages)
+  #:use-module ((guix build utils) #:select (alist-replace))
+  #:use-module (guix git-download)
+  #:use-module (gnu packages golang))
+
+(define-public go-1.24
+  (package
+    (inherit go-1.23)
+    (name "go")
+    (version "1.24.2")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/golang/go")
+             (commit (string-append "go" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "199yajw3amvspl9k2a75v4jblwr965laqngxbnsi5l3ragp5c1ck"))))
+    (native-inputs
+     ;; Go 1.24 and later requires Go 1.22+ as the bootstrap toolchain.
+     (alist-replace "go" (list go-1.22) (package-native-inputs go-1.23)))))