[lldb] Update API headers for SBProgress (llvm#124836)

Some clients only include LLDB.h and they won't get access to SBProgress
without this.

(cherry picked from commit 9d79998)

Author: bulbazord

lldb/include/lldb/API/LLDB.h

@@ -54,6 +54,7 @@
 #include "lldb/API/SBProcess.h"
 #include "lldb/API/SBProcessInfo.h"
 #include "lldb/API/SBProcessInfoList.h"
+#include "lldb/API/SBProgress.h"
 #include "lldb/API/SBQueue.h"
 #include "lldb/API/SBQueueItem.h"
 #include "lldb/API/SBReproducer.h"

lldb/include/lldb/API/SBDefines.h

@@ -95,6 +95,7 @@ class LLDB_API SBPlatformShellCommand;
 class LLDB_API SBProcess;
 class LLDB_API SBProcessInfo;
 class LLDB_API SBProcessInfoList;
+class LLDB_API SBProgress;
 class LLDB_API SBQueue;
 class LLDB_API SBQueueItem;
 class LLDB_API SBReplayOptions;