cds-crtools was updated to version 4.11 in the CDS conda environment.

The major changes are:

• A bug fix in awggui that could cause a glitch in an exciation when loading a file.
• foton no longer warns by default when a filter has a zero in the right-hand plane.  The warning can be turned on with a command line argument '-Z t', or an environment variable FOTON_WARN_RHP_ZEROS=true.
• The criterion for detecting a zero in the right-hand plane has been relaxed. Zeros that are ostensibly on the imaginary axis, but due to precision issues are slightly in the right-hand plane will no longer be flagged.

A complete change history for all crtools can be found here:

https://git.ligo.org/cds/software/dtt/-/wikis/ChangeHistory