chore(gitea-local-fork): bump to v1.26.0-unstable-2026-05-15.1

Pin to oleks/main @ 9c1699feb5 — adds PR #7 (SSE push updates for
project board pages). pnpm-lock.yaml and go.mod are unchanged from
the previous pin so pnpmDeps.hash and vendorHash stay valid.

packages/gitea-local-fork.nix

@@ -35,12 +35,12 @@
 
 let
   pname = "gitea-local-fork";
-  version = "1.26.0-unstable-2026-05-15";
+  version = "1.26.0-unstable-2026-05-15.1";
 
   src = fetchgit {
     url = "https://git.oleks.space/oleks/gitea.git";
-    rev = "580fe2df32d1a11ee94136ff6bba68f7b67c6593";
-    hash = "sha256-LH4JzOH0ZlUlSY+Xcwzyqr8Msc5bBdrlKlo42BjIEys=";
+    rev = "9c1699feb550a657f7ef235f5c62a446d2a8138e";
+    hash = "sha256-Bp8rVr7yhczpqv4cbXBhLrzT/lIt5N6qPw6Y9nP/Xsc=";
   };
 
   # Gitea's package.json requires pnpm >= 11; nixpkgs ships pnpm 10. The