[SYCL] Fix a missing include (#8032)

std::unique_ptr is in <memory> and without it we get a compilation error
with gcc-12

Author: ldrumm

sycl-fusion/jit-compiler/include/JITContext.h

@@ -9,6 +9,7 @@
 #ifndef SYCL_FUSION_JIT_COMPILER_JITCONTEXT_H
 #define SYCL_FUSION_JIT_COMPILER_JITCONTEXT_H
 
+#include <memory>
 #include <mutex>
 #include <shared_mutex>
 #include <unordered_map>