cleanup: namespace Montauk (capital M) => montauk::abi

kernel/src/Api/Syscall.cpp

@@ -42,7 +42,7 @@
 // Assembly entry point
 extern "C" void SyscallEntry();
 
-namespace Montauk {
+namespace montauk::abi {
 
     static constexpr uint64_t kMaxPrintableStringBytes = 4096;
     static constexpr uint64_t kMaxPathBytes = 256;