update hello_imgui (v1.92.3)

pthom · pthom · commit 0ad27be1ffec · 2025-09-17T20:55:00.000+02:00
diff --git a/external/hello_imgui/hello_imgui b/external/hello_imgui/hello_imgui
@@ -1 +1 @@
-Subproject commit c26421878fcf9a1e8ab2c3c2165249d7ab11f5e4
+Subproject commit b6f5342017d65d0d935e74e02da24431616ddada
