Release 1.2.7 request

[EmilienM]

Please provide an ETA on the release, thanks

[jiridanek]

For context, this is follow-up after #299 has been settled.

Another step towards https://redhat.atlassian.net/browse/AIPCC-11121 (Red Hat internal ticket)

nimfa/NumPy 2.0 incompatibility in the published v1.2.6 is already resolved on the master branch

cc @mishugeb @mdbarnesUCSD @nzeak-redhat