gnu: emacs-nix-mode: Update to 1.5.0.

* gnu/packages/emacs-xyz.scm (emacs-nix-mode): Update to 1.5.0.

gnu/packages/emacs-xyz.scm

@@ -26124,21 +26124,18 @@ (define-public emacs-nice-citation
       (license license:gpl3+))))
 
 (define-public emacs-nix-mode
-  ;; Use the latest commit to get unreleased fixes to build with Emacs 28.1.
-  (let ((commit "8fe2ccf0b01f694a77d2528e06c10f06057784f6")
-        (revision "0"))
   (package
     (name "emacs-nix-mode")
-      (version (git-version "1.4.5" revision commit))
+    (version "1.5.0")
     (source
      (origin
        (method git-fetch)
        (uri (git-reference
              (url "https://github.com/NixOS/nix-mode")
-               (commit commit)))
+             (commit (string-append "v" version))))
        (file-name (git-file-name name version))
        (sha256
-          (base32 "08kz9qp4gp55z1i87ig0ysq6pgqgwlgr765g1vp8gsh6lp3myh36"))))
+        (base32 "1xvrnpk7cnjm55ja6j7bdnszkzj914gmyzb12r89jh0z25r09crq"))))
     (build-system emacs-build-system)
     (propagated-inputs
      (list emacs-company emacs-json-mode emacs-magit emacs-mmm-mode))
@@ -26147,7 +26144,7 @@ (define-public emacs-nix-mode
     (description "@code{nixos-mode} provides an Emacs major mode for editing
 Nix expressions.  It supports syntax highlighting, indenting and refilling of
 comments.")
-      (license license:lgpl2.1+))))
+    (license license:lgpl2.1+)))
 
 (define-public emacs-libmpdel
   (package