DM-46249: Add SasquatchDatastore to enable uploading analysis_tools metrics

[BrunoSanchez]

Update ci run script to take namespace and url for sasquatch upload."

Add optional ChainedDatastore to host SasquatchDatastore

Add new parameters to accomodate for Sasquatch metric upload

{Summary of changes. Prefix PR title with JIRA issue.}

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• Do unit tests pass (scons and/or stack-os-matrix)?
• Did you run ap_verify.py on at least one of the standard datasets?
  For changes to metrics, the print_metricvalues script from lsst.verify will be useful.
• Is the Sphinx documentation up-to-date?

[bsmartradio]

Everything looks fine to me, and I did try running scons on the branch locally as well and my local stack is happy.