channels.scm: Update guix, nonguix and rekahsoft-guix channels

* .guix/rekahsoft/guix-config/home.scm: Disable xdg-desktop-port-gtk as it causes a profile
conflict when building.

.guix/rekahsoft/guix-config/home.scm

@@ -355,7 +355,7 @@ single certifcate used for local development with caddy.")
        "flatpak"
        "gettext"
        "xdg-desktop-portal" ;; improves user experience of flatpak
-       "xdg-desktop-portal-gtk"
+       ; "xdg-desktop-portal-gtk" ;; TODO: started failing to build guix profile when installed with xdg-desktop-portal
        "font-dejavu"
        "font-liberation"
        "font-fira-code" ;; TODO: check if font is needed

channels.scm

@@ -3,7 +3,7 @@
         (url "https://git.savannah.gnu.org/git/guix.git")
         (branch "master")
         (commit
-          "9d75215a59629ab224154ef6b843043289291f81")
+          "2394a7f5fbf60dd6adc0a870366adb57166b6d8b")
         (introduction
           (make-channel-introduction
             "9edb3f66fd807b096b48283debdcddccfea34bad"
@@ -14,7 +14,7 @@
         (url "https://gitlab.com/nonguix/nonguix")
         (branch "master")
         (commit
-          "99a47731552b179ea021a65a8a6f474cece68182")
+          "ad966c3844385e8f7b60b0dc915f92a1eba47e09")
         (introduction
           (make-channel-introduction
             "897c1a470da759236cc11798f4e0a5f7d4d59fbc"
@@ -25,7 +25,7 @@
         (url "https://git.rekahsoft.ca/rekahsoft/rekahsoft-guix.git")
         (branch "master")
         (commit
-          "a8d6dfe7088e605acae725f59c1e663a1e897189")
+          "e4a205daa8a957d4d75eb6e2177f9076b347f76d")
         (introduction
           (make-channel-introduction
             "d910ac4ca1e1a115934b10921bc23f50bd481043"