chore(deps): update themes/hugo-relearn digest to 9b78e7c in .gitmodules

renovate[bot] · web-flow · commit 35c140789b0e · 2025-11-14T18:54:39.000Z
diff --git a/themes/hugo-relearn b/themes/hugo-relearn
@@ -1 +1 @@
-Subproject commit ef6b09f665f4b3105fbea8db9f225cec158f8e4d
+Subproject commit 9b78e7c3a62e12b105c6c68be48d3d8a43c3ec3f
