JVMCI 20.3-b02 release

[Doug Simon]

The 20.3-b02 release includes:

	• GR-26855: 8255068: [JVMCI] errors during compiler creation can be hidden.
	• GR-26398: Improve speculation encoding.
	• GR-8506: Expose JVM_ACC_FIELD_INITIALIZED_FINAL_UPDATE flag.
	• GR-26746: Copy thread name when attaching a shared library thread to a HotSpot thread.
	• GR-25663: Backport JDK-8253118 & JDK-8254104.
	• GR-26111: Allow implicit exception to dispatch to other address in jvmci compilers.
	• GR-26491: Remove overly strong assertion.
	• GR-25755: JDK build make-static-libs should build all JDK libraries.
	• GR-25802: Cache result of CompilerToVM.getComponentType.
	• GR-26106: Number patch files names to ensure they are applied in the correct order.
	• GR-26106: Add patches that are applied to JVMCI JDK8 builds.
	• GR-26245: 8249165: Remove unneeded nops introduced by 8234160 changes

The OpenJDK based Windows, Linux and macOS binaries are available at:

https://github.com/graalvm/graal-jvmci-8/releases/tag/jvmci-20.3-b02
https://github.com/graalvm/labs-openjdk-11/releases/tag/jvmci-20.3-b02
https://github.com/graalvm/labs-openjdk-15/releases/tag/jvmci-20.3-b02

-Doug