Upgrade grubox-kitty submodule

Ryan Delaney · Ryan Delaney · commit dcfeec4a453c · 2021-09-25T14:10:34.000-04:00
diff --git a/gruvbox-material-kitty b/gruvbox-material-kitty
@@ -1 +1 @@
-Subproject commit fdf7158e4fe384925cdd81e8c9c29e9906c9522d
+Subproject commit 69a7a2a793022d4c21365dbd5f22dd8cd734e6fe
