The latest version should be 59.18.100 since commit 01c5f4ad

$ git diff 01c5f4ad~1..HEAD doc/APIchanges
...
+2024-05-10 - xxxxxxxxx - lavu 59.18.100 - cpu.h
+  Add AV_CPU_FLAG_RV_ZVBB.
+
Signed-off-by: Haihao Xiang <haihao.xiang@intel.com>