v2.8.4

TL/DR

• Add cramjam.experimental.blosc2
• Add cramjam.experimental.igzip (on 64bit targets)
• Add wasm32 emscripten build and test for pyodide

What's Changed

• Update libcramjam crate to 0.3.0 in cramjam-cli by @musicinmybrain in #152
• Add experimental blosc2 support by @milesgranger in #107
• Move sdist generations to own job by @milesgranger in #155
• Add blosc2 to CLI, libcramjam features and own CI by @milesgranger in #156
• Don't overwrite artifact on each job by @milesgranger in #157
• Prepare for release by @milesgranger in #158
• Change github release job in CI by @milesgranger in #161
• Adjust for move of libcramjam and CLI to own repos by @milesgranger in #162
• Bump libcramjam and simplify CI by @milesgranger in #163
• Bump version and fix CI artifact uploading by @milesgranger in #164
• Bump actions/download-artifact from 3 to 4.1.7 in /.github/workflows by @dependabot in #168
• Update PyO3 0.20 -> 0.22 & Python 3.13 by @milesgranger in #169
• Update upload/download-artifact actions by @milesgranger in #170
• Add more feature configuration options by @milesgranger in #174
• Fix blosc2 upgrade API changes by @milesgranger in #176
• Expose linking flexibility for xz, gzip/deflate from libcramjam by @milesgranger in #175
• Remove pypy3.9 from CI by @milesgranger in #177
• Exclude benchmarks from builds by @milesgranger in #179
• Add wasm32-emscripten builds by @milesgranger in #181
• Add experimental igzip by @milesgranger in #182

Full Changelog: v2.8.3...v2.8.4