Rebrand PDB-Dev to PDB-IHM

[brindakv]

The deadline for this is November 30th, 2024 (JMB paper submission deadline).

[aozalevsky]

Pulled validation pipeline v1.2.1 (pdb-dev -> pdb-ihm) on the workflow-dev. @brindakv, please test it when you have a minute, and if it's okay, I'll merge it with the main.

[hongsudt]

@brindakv can this be closed?