adde missing include

Klaim · Klaim · commit 69b9e8ffc248 · 2025-06-23T16:20:49.000+02:00
diff --git a/libmamba/include/mamba/util/synchronized_value.hpp b/libmamba/include/mamba/util/synchronized_value.hpp
@@ -9,6 +9,7 @@
 
 #include <concepts>
 #include <mutex>
+#include <shared_mutex>
 #include <tuple>
 
 namespace mamba::util
