external : set imgui branch to v1.92.2 tag

ManifoldFR · ManifoldFR · commit 51ca5640fcee · 2025-08-12T18:18:48.000+02:00
diff --git a/.gitmodules b/.gitmodules
@@ -1,6 +1,7 @@
 [submodule "external/imgui"]
 	path = external/imgui
 	url = https://github.com/ocornut/imgui.git
+	branch = master
 [submodule "cmake"]
 	path = cmake
 	url = https://github.com/jrl-umi3218/jrl-cmakemodules.git
diff --git a/external/imgui b/external/imgui
@@ -1 +1 @@
-Subproject commit b6614f6c7cdf0a0e6ef64e8c00489d6040689f45
+Subproject commit 2b24f5fa71d124de108da54d9da49ea3049dc91e
