gnu: git-manpages: Update sha256 hash for version 2.5.0.

This is a followup to commit c1b7ea1e.

* gnu/packages/version-control.scm (git-manpages)[source]: Update sha256 hash.

gnu/packages/version-control.scm

@@ -292,7 +292,7 @@ (define-public git-manpages
                     version ".tar.xz"))
               (sha256
                (base32
-                "1k24p33v9hvmpkx4l818x1vbdv090kfgwqshhyyl3h9m9b5skqci"))))
+                "1spnqxzl53ic7bv1x7c6lwscdh581scqm5zh98wfp4qn1ciafvhs"))))
     (build-system trivial-build-system)
     (arguments
      '(#:modules ((guix build utils))