[lldb] Include SBFormat.h in LLDB.h (llvm#79194)

This was likely overlooked when SBFormat was added.

Author: bulbazord

lldb/include/lldb/API/LLDB.h

@@ -33,6 +33,7 @@
 #include "lldb/API/SBFile.h"
 #include "lldb/API/SBFileSpec.h"
 #include "lldb/API/SBFileSpecList.h"
+#include "lldb/API/SBFormat.h"
 #include "lldb/API/SBFrame.h"
 #include "lldb/API/SBFunction.h"
 #include "lldb/API/SBHostOS.h"