Update dependency gunicorn to v22 [SECURITY]

Author: renovate[bot]

requirements.txt

@@ -123,7 +123,7 @@ googleapis-common-protos==1.63.0
 greenlet @ file:///croot/greenlet_1702059959679/work
 grpcio==1.62.1
 grpcio-status==1.62.1
-gunicorn==21.2.0
+gunicorn==22.0.0
 h5py==3.11.0
 HeapDict @ file:///Users/ktietz/demo/mc3/conda-bld/heapdict_1630598515714/work
 holoviews @ file:///croot/holoviews_1707836454244/work