Scanpy-scripts

- Temporary patch to fix a bug in Scanpy Scrublet (created by us) and relocate batch handling code https://github.com/ebi-gene-expression-group/scanpy-scripts/pull/107

- Add mito stats in the absence of mito filtering https://github.com/ebi-gene-expression-group/scanpy-scripts/pull/104
- Batch-aware scrublet https://github.com/ebi-gene-expression-group/scanpy-scripts/pull/105

- Drop pin on umap-learn https://github.com/ebi-gene-expression-group/scanpy-scripts/pull/103

Not before time, a 1.0 release. This pins to Scanpy 1.8 since some features are dependent on that version.

- Add first basic scrublet integration https://github.com/ebi-gene-expression-group/scanpy-scripts/pull/93 (this was waiting for https://github.com/theislab/scanpy/pull/1741)
- Make sure that paga without basis uses color if given https://github.com/ebi-gene-expression-group/scanpy-scripts/pull/100 (this PR also including BBKNN fix to match https://github.com/theislab/scanpy/pull/1868).

* Unpin loompy and resolve other dependence issues https://github.com/ebi-gene-expression-group/scanpy-scripts/pull/99

- Allow storage of existing adata/ .X/ layers before matrix processing steps. https://github.com/ebi-gene-expression-group/scanpy-scripts/pull/96