Fix check against bw2io version + add a pyproject.toml

v.0.9.8

update main.yaml

ei 3.10 compatibility

v.0.9.7

fix workflow

v.0.9.6

Correct values for biogenic methane.

v.0.9.5

Carbon dioxide, non-fossil, resource correction had the wrong sign in GWP100 2021.

v.0.9.4

Adds missing CF for Carbon dioxide, non-fossil in GWP20a.

v.0.9.3

Version bump

v.0.9.2

Fix test

v.0.9.1

Fix dependencies

v.0.9

Merge remote-tracking branch 'origin/main'

v.0.8

Fix CF for non-fossil methane to be the same as fossil methane.