update QSDsan release pin

update tea indices to be consistent with qsdsan

bump up version

fix: remove VCS dependency from integration extra; update CI to insta…

…ll cross-package deps explicitly

PyPI rejects packages with URL/VCS dependencies in metadata. Replace the
integration optional-dependency (qsdsan @ git+...) with an explicit
pip install step in each CI workflow instead.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Merge branch 'main' into pfas

Merge pull request #48 from QSD-Group/bsm2

Will rerun the tests after merging in QSDsan.

Update units.py

Merge branch 'metab' into metro

bump up version

Merge branch 'main' of https://github.com/QSD-Group/EXPOsan