DEP: bump and harmonize requirement on gcsfs

Author: neutrinoceros

pyproject.toml

@@ -32,10 +32,10 @@ dask = ["dask", "distributed"]
 dropbox = ["dropbox", "dropboxdrivefs", "requests"]
 entrypoints = []
 fuse = ["fusepy"]
-gcs = ["gcsfs >2024.2.0"]
+gcs = ["gcsfs >=2026.4.0"]
 git = ["pygit2"]
 github = ["requests"]
-gs = ["gcsfs"]
+gs = ["fsspec[gcs]"]
 gui = ["panel"]
 hdfs = ["pyarrow >= 1"]
 http = ["aiohttp !=4.0.0a0, !=4.0.0a1"]