libcitygml version update test 3rd try

sevendev · sevendev · commit b8911fbcb4df · 2025-09-25T16:38:23.000+09:00
diff --git a/3rdparty/libcitygml b/3rdparty/libcitygml
@@ -1 +1 @@
-Subproject commit 90a72d9d31bd6e33dec457ebcb6346a630b76e50
+Subproject commit 64c7b53da80a021c6705da894988066846ff8ea3
