recognize Java 21 version (65)
ASM should be updated to recognize Java 21 version (65).
The latest upstream JDK versions now were updated to use that class file version in https://github.com/openjdk/jdk/commit/175e3d3ff332be25cca9822c58c46f1e012953c2
The previous ASM commit that added support for version 20 was 8b7090dc.