rosenthal: Add go-cloudflare.

* modules/rosenthal/packages/golang.scm (go-cloudflare): New variable.
* modules/rosenthal/packages/networking.scm (cloudflared)[arguments]<#:go>:
Use it.

modules/rosenthal/packages/golang.scm

@@ -25,3 +25,22 @@
     (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)))))
+
+(define-public go-cloudflare
+  (let ((commit "37bc41c6ff79507200a315b72834fce6ca427a7e")
+        (revision "0"))
+    (package
+      (inherit go-1.22)
+      (name "go-cloudflare")
+      (version (git-version "1.22.12" revision commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/cloudflare/go")
+                      (commit commit)))
+                (file-name (git-file-name name version))
+                (sha256
+                 (base32
+                  "1zg6jqwhj42gaapk1fzqc4i7a6shdbfbpqgqhjyry55r4i0nqvxy"))))
+      (home-page "https://github.com/cloudflare/go")
+      (synopsis "Go with Cloudflare experimental patches"))))

modules/rosenthal/packages/networking.scm

@@ -13,7 +13,8 @@
   #:use-module (gnu packages dns)
   #:use-module (gnu packages golang)
   #:use-module (gnu packages golang-build)
-  #:use-module (gnu packages linux))
+  #:use-module (gnu packages linux)
+  #:use-module (rosenthal packages golang))
 
 (define-public cloudflared
   (package
@@ -33,7 +34,7 @@
                 "0mblq1zvl7722k3515yc99ym18li39anlcmj8s10m7kkp9yfc596"))))
     (build-system go-build-system)
     (arguments
-     (list #:go go-1.23
+     (list #:go go-cloudflare
            #:install-source? #f
            #:import-path "github.com/cloudflare/cloudflared/cmd/cloudflared"
            #:unpack-path "github.com/cloudflare/cloudflared"