Set sphinx-feature-classification own core group
Setting up sphinx-feature-classification to be its own core group.
oslo-core should still be part of this group.
[access "refs/heads/*"]
-abandon = group oslo-core
-label-Code-Review = -2..+2 group oslo-core
-label-Workflow = -1..+1 group oslo-core
+abandon = group sphinx-feature-classification-core
+label-Code-Review = -2..+2 group sphinx-feature-classification-core
+label-Workflow = -1..+1 group sphinx-feature-classification-core
[access "refs/heads/stable/*"]
abandon = group stable-maint-core
