parquet crate fails to build when only json feature is enabled

[eagletmt]

Describe the bug
parquet crate fails to build when only json feature is enabled.

To Reproduce

% cargo build --no-default-features --features json
error[E0433]: failed to resolve: use of undeclared crate or module `base64`
   --> parquet/src/record/api.rs:691:46
    |
691 |             Field::Bytes(b) => Value::String(base64::encode(b.data())),
    |                                              ^^^^^^ use of undeclared crate or module `base64`

For more information about this error, try `rustc --explain E0433`.
error: could not compile `parquet` due to previous error

Expected behavior
It compiles.

Additional context
None

[alamb]

Automatically added labels {'development-process'} from #2671