gnu: emacs-guix: Update to 0.4.1.

* gnu/packages/emacs.scm (emacs-guix): Update to 0.4.1.
[home-page]: Update for the new home.

gnu/packages/emacs.scm

@@ -1641,15 +1641,14 @@ type, for example: packages, buffers, files, etc.")
 (define-public emacs-guix
   (package
     (name "emacs-guix")
-    (version "0.4")
+    (version "0.4.1")
     (source (origin
               (method url-fetch)
-              (uri (string-append "https://github.com/alezost/guix.el"
-                                  "/releases/download/v" version
-                                  "/emacs-guix-" version ".tar.gz"))
+              (uri (string-append "https://emacs-guix.gitlab.io/website/"
+                                  "releases/emacs-guix-" version ".tar.gz"))
               (sha256
                (base32
-                "1nn4b0gd895g0k4fynzrip7z8yb1r3qmvznq9v8a6q7sm84irmqq"))))
+                "0lbhznvfwqli0dbnrq9w9yx8116nccjvd7v6i8ayj5c5dkn2xaa4"))))
     (build-system gnu-build-system)
     (arguments
      `(#:configure-flags
@@ -1700,7 +1699,7 @@ type, for example: packages, buffers, files, etc.")
        ("bui" ,emacs-bui)
        ("edit-indirect" ,emacs-edit-indirect)
        ("magit-popup" ,emacs-magit-popup)))
-    (home-page "https://alezost.github.io/guix.el/")
+    (home-page "https://emacs-guix.gitlab.io/website/")
     (synopsis "Emacs interface for GNU Guix")
     (description
      "Emacs-Guix provides a visual interface, tools and features for the GNU