refresh to cabal-rpm-2.1.0 with SPDX migration

Order: add depsPackages and factor out depsGraph to Graph
Graph: add depsGraphDeps which takes a list of possible deps
Graph: add topsortGraph (factored out of sortGraph)
Graph rpmspecDynBuildRequires: error if no srpm generated
tests: add testcase for deps command

Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild

prepend spec name to any rpmspec stderr
optimize by filtering out Provides ending in (x86-64)

handle Dynamic BuildRequires (#3)
library: new Graph function aliases

Rebuilt for https://fedoraproject.org/wiki/Fedora_36_Mass_Rebuild

Rebuilt for https://fedoraproject.org/wiki/Changes/LIBFFI34

rebuild

Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild

'render': do not reverse arrows
'render': rename -o/--output option to -g/--gv-output

'render': helpful error message if graphviz not installed

new render command to show graph
fix subcycles algorithm and improve cycles text

intercalate newlines between cycles
only list subcycles with over 2 packages