Fix path to liberty timing model files

scripts/timing-model.tcl

diff --git a/scripts/timing-model.tcl b/scripts/timing-model.tcl
index b4410d8..f0db7be 100644
--- a/scripts/timing-model.tcl
+++ b/scripts/timing-model.tcl
@@ -6,6 +6,6 @@
 read_sdc scripts/timing-model.sdc
 set_propagated_clock [all_clocks]
 
-write_timing_model user_project_wrapper/lib/$:::env(MACRO).lib
+write_timing_model openlane/user_project_wrapper/$:::env(MACRO).lib
 
 exit