hub: fix incorrect hash (#15830)

pkgs/applications/version-management/git-and-tools/hub/default.nix

···
   src = fetchgit {
     url = https://github.com/github/hub.git;
     rev = "refs/tags/v${version}";
-    sha256 = "0iwpy50jvb8w3nn6q857j9c3k7bp17azj8yc5brh04dpkyfysm02";
+    sha256 = "1vswkx4lm6x4s04453qkmv970gjn79ma39fmdg8mnzy7lh2swws6";
   };