Automated build failed with `FATAL: Maximum recursion depth reached`

Automated phylo workflow failed on [Friday](https://github.com/nextstrain/avian-flu/actions/runs/15215451445/job/42801042993#step:5:4264) and [Saturday](https://github.com/nextstrain/avian-flu/actions/runs/15229175817/job/42835387993#step:5:4270) with error from `augur export v2` ``` FATAL: Maximum recursion depth reached. You can set the env variable AUGUR_RECURSION_LIMIT to adjust this (current limit: 10000) ```