chore(gitea-local-fork): bump to v1.26.0-unstable-2026-05-17

Pin to oleks/main ad46f6c (PR #18: scope project-issue move to its own
project, fixes #17). Only src rev/hash/version change; no go.mod or
pnpm-lock changes so vendorHash and pnpmDeps stay valid.

packages/gitea-local-fork.nix

@@ -35,12 +35,12 @@
 
 let
   pname = "gitea-local-fork";
-  version = "1.26.0-unstable-2026-05-16.1";
+  version = "1.26.0-unstable-2026-05-17";
 
   src = fetchgit {
     url = "https://git.oleks.space/oleks/gitea.git";
-    rev = "d4de99f96b952736d8406f37ac2c6d8798a3483d";
-    hash = "sha256-qFOc+BGcXh/wrGvP36NC3BD2p14NKjtPep6XP6kFAGc=";
+    rev = "ad46f6cde865132519d698e49f179780589779cd";
+    hash = "sha256-WOScqtKjzk3L4gjzoLtk//6aeiFctX3D5IJARQMgy5I=";
   };
 
   # Gitea's package.json requires pnpm >= 11; nixpkgs ships pnpm 10. The