Release Release v3.0.0 · iree-org/iree

Announcements:

The new X.Y.Z version scheme discussed at #18938 has been fully rolled out
- New Python packages have been published using the iree-base-compiler and iree-base-runtime names. The old iree-compiler and iree-runtime names have been discontinued.
- Instructions for installing nightly releases have changed. The --pre flag must now be included. See https://iree.dev/reference/bindings/python/ for the latest instructions.
The next release is scheduled to be 3.1.0 in around 6 weeks from now

The ONNX import path now supports externalized parameters: d497571
Improved coverage for ONNX operators and models
The iree_codegen.translation_info attribute used for code generation and tuning has changed its assembly format: d1a991c and now has bindings in the C and Python APIs: 55f2fce