Update Verilator to 4.010

Summary:
Changelog:

• Removed --trace-lxt2, use --trace-fst instead.
• For --xml, add additional information.
• Add circular typedef error.
• Add unsupported for loops error.
• Fix FST tracing of wide arrays.
• Fix error when pattern assignment has too few elements.
• Fix error when no modules in $unit.
• Fix missing too many digits warning.
• Fix uninitialized data in verFiles and unroller.
• Fix internal error on xrefs into unrolled functions.
• Fix DPI export void compiler error.

full details at https://www.veripool.org/news/251-Verilator-Verilator-4-010-Released

Test Plan: Complete the "Example C++ Execution" found in the manual: https://www.veripool.org/projects/verilator/wiki/Manual-verilator#EXAMPLE-C-EXECUTION

Reviewers: Triage Team, JoshStrobl

Reviewed By: Triage Team, JoshStrobl

Differential Revision: https://dev.getsol.us/D5242