Swift/T versions for testing dashboard

[j-woz]

Python 3.9, 3.10, and 3.11 for linux-64 are posted:
https://anaconda.org/swift-t/swift-t/files
3.8 is done and will be posted soon.
Also needed are PPC binaries, about half done. These will need some external tool support.

[j-woz]

3.8 is posted.