gitea: 1.15.5 -> 1.15.6

ChangeLog: https://github.com/go-gitea/gitea/releases/tag/v1.15.6

pkgs/applications/version-management/gitea/default.nix

···
 
 buildGoPackage rec {
   pname = "gitea";
-  version = "1.15.5";
+  version = "1.15.6";
 
   # not fetching directly from the git repo, because that lacks several vendor files for the web UI
   src = fetchurl {
     url = "https://github.com/go-gitea/gitea/releases/download/v${version}/gitea-src-${version}.tar.gz";
-    sha256 = "sha256-W+czWzo4keTLRPDLcTeYl3JSccwfq+P6k4ELADO9FVM=";
+    sha256 = "sha256-FMM/iQAxJcymv4jYBzaBXG0Uy8UxHh9gFWB5gzV9cn0=";
   };
 
   unpackPhase = ''