Update submodule for the GH Action.

katsumag · katsumag · commit b5d1450b23fd · 2024-08-24T23:23:32.000+01:00
Could add another step for the action to run `submodule update --remote` instead, I suppose.
diff --git a/core/src/main/resources/frontend b/core/src/main/resources/frontend
@@ -1 +1 @@
-Subproject commit 17e0f1d0e809c3f6cf592c1788777d9e042056d7
+Subproject commit 43ee5a6442b995001863f826d50803acb15f2920
