Pass auto_mkdir in fsspec write

[gadomski]

Related Issue(s):

• We were implicitly relying on behavior fixed by https://github.com/fsspec/filesystem_spec/pull/1358.

Description:

No changelog needed. Discovered due to CI breaks.

PR checklist:

• [x] Code is formatted (run scripts/format).
• [x] Code lints properly (run scripts/lint).
• [x] Tests pass (run scripts/test).
• [ ] Documentation has been updated to reflect changes, if applicable.
• [ ] Changes are added to the CHANGELOG.

[gadomski]

Don't think so, the minimum requirements check passed which exercises a much older version: https://github.com/stac-utils/stactools/actions/runs/6222305009/job/16885983910?pr=463#step:5:16. (🎉 min requirements check!)