v0.14.15

Catlab v0.14.15

Diff since v0.14.14

Merged pull requests:

• Fix bug in tree (#742) (@olynch)
• Add ASKEM program integration workflow (#743) (@mehalter)
• Remove duplicate line in docs (#746) (@axelbdt)
• Acset transformations between dynamic acsets (#748) (@kris-brown)
• Replace @generated code in homomorphism search with CompTime (#749) (@kris-brown)
• fix 32-bit catlab support and improve github actions (#752) (@mehalter)