Bump fsspec from 2026.1.0 to 2026.2.0

Bumps [fsspec](https://github.com/fsspec/filesystem_spec) from 2026.1.0 to 2026.2.0.
- [Commits](fsspec/filesystem_spec@2026.1.0...2026.2.0)

---
updated-dependencies:
- dependency-name: fsspec
  dependency-version: 2026.2.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements.txt

@@ -85,7 +85,7 @@ fastjsonschema==2.21.2
     # via nbformat
 fonttools==4.61.1
     # via matplotlib
-fsspec==2026.1.0
+fsspec==2026.2.0
     # via dask
 furo==2025.12.19
     # via qcodes (pyproject.toml)