Update blosc2 tests - #388

Draft

t20100 wants to merge 3 commits into

silx-kit:mainfrom

t20100:update-tests

Commits on Sep 1, 2026

unpin blosc2 packages for tests
t20100
committed
34bdd04
Add tests with blosc2-htj2k and blosc2-j2k
t20100
committed
f8094d8
remove blosc2_grok from test deps, waiting for release
t20100
committed
84ac825