Release riscv-isa-release-a43be61-2024-08-23

This release was created by: aswaterman
Release of RISC-V ISA, built from commit a43be61, is now available.

What's Changed

• Add missing values to mepc values table by @HepoH3 in #1604
• Fix scountovf exception behavior in smcdeleg.adoc by @bcstrongx in #1612

Full Changelog: riscv-isa-release-2f749ad-2024-08-15...riscv-isa-release-a43be61-2024-08-23