[BOLT] Add missing include

Address the comment in
#76906 (comment)

Author: aaupov

bolt/include/bolt/Profile/BoltAddressTranslation.h

@@ -16,6 +16,7 @@
 #include <map>
 #include <optional>
 #include <system_error>
+#include <unordered_map>
 
 namespace llvm {
 class raw_ostream;