SeuratObject 5.0.2

Changes:

• Properly re-export %||% from rlang (#178)
• Class key-based warnings (#180)
• Require R 4.1 (#180)
• Fix errors in UpdateSeuratObject (@ddiez, #182)
• Add ... to call signature for Radius generic (#190)
• Fix bug in PolyVtx (#194)
• Fix bug in feature-level subsetting (#200)
• Update UpdateSeuratObject to run without Seurat installed (#199)
• Add warning in Layers.Assay() when the search returns no results (@maxim-h, #189)
• Fix bug in subset to allow empty images to be dropped (#204)