Backported fixes

• classfile reader: handle JDK 9+ constant types in constant pool #19533
• Update asm to 9.8.0 #23004

Contributors

Thank you to all theq contributors who made this release possible 🎉

According to git shortlog -sn --no-merges 3.3.6-RC2..3.3.6-RC3 these are:

     2  Seth Tisue
     1  Tomasz Godzik
     1  philippus