bug: opendal_compat on docs.rs should build with all features

[Xuanwo]

Describe the bug

opendal_compat has not feature enabled on docs.rs

Steps to Reproduce

None.

Expected Behavior

Should be the same to https://opendal.apache.org/docs/opendal_compat/opendal_compat/

Additional Context

No response

Are you willing to submit a PR to fix this bug?

• Yes, I would like to submit a PR.