Temporary fix for riscv-software-src/riscof#122

bin/requirements.txt

@@ -3,6 +3,7 @@ lief>=0.14.1
 Markdown>=3.6
 matplotlib>=3.9.0
 PyYAML>=5.2
+riscv-isac @ git+https://github.com/riscv-software-src/riscv-isac@dev
 riscof @ git+https://github.com/riscv/riscof.git
 riscv-config>=3.18.3
 riscv-isac>=0.18.0