Update CodeQL submodule to v2.15.4

Marcono1234 · web-flow · commit a919e6add14e · 2023-12-18T08:36:38.000Z
diff --git a/codeql b/codeql
@@ -1 +1 @@
-Subproject commit 8e890571ed7b21bc10698c5dbd032b9ed551d8f1
+Subproject commit ff0c1ca2d6401e63914f20b650b49c2b82cac148
