Python: Relax the pin for fsspec implementations

[deepyaman]

I'm proposing a minimal change to relax fsspec, s3fs, adlfs again (after #6745 relaxed a bit).

Specifically, I want to be able to leverage fsspec/s3fs#704 (or fsspec/filesystem_spec#1194) to provide the endpoint URL. Previously, I was doing something custom:

-        load_catalog(
-            "default",
-            **{
-                "s3.endpoint": os.environ.get("PYICEBERG_CATALOG__DEFAULT__S3_ENDPOINT")
-            },
-        )
+        load_catalog("default")

However, since asking about this on Slack, I've found that most environment variables will be read by pyiceberg by way of s3fs (e.g. AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY), and that fsspec/s3fs have recently provided (better) ways to even configure endpoint URL. So I'd like to leverage them. :)

As somebody developing a library that has a dependency on pyiceberg, there's a broader issue of not pinning versions so tightly, but I will create a separate issue on that.

[Fokko]

I don't see any problem in relaxing the version here. Thanks for opening this PR @deepyaman