chore(deps): update themes/hugo-relearn digest to 13d2f6e in .gitmodules

renovate[bot] · web-flow · commit 5a127631b1f0 · 2025-12-27T21:47:00.000Z
diff --git a/themes/hugo-relearn b/themes/hugo-relearn
@@ -1 +1 @@
-Subproject commit ef6b09f665f4b3105fbea8db9f225cec158f8e4d
+Subproject commit 13d2f6ed0faf7094dc3a05fdced54cd26903e490
