Bump HIP version to 5.4

[ROCm/hip commit: 389ac90f69]

projects/hip/bin/hipvars.pm

@@ -26,7 +26,7 @@ use Cwd;
 use File::Basename;
 
 $HIP_BASE_VERSION_MAJOR = "5";
-$HIP_BASE_VERSION_MINOR = "3";
+$HIP_BASE_VERSION_MINOR = "4";
 $HIP_BASE_VERSION_PATCH = "0";
 
 #---