Expose float64_representable_durations feature in temporal_capi

[linusg]

Like this:

temporal/temporal_capi/Cargo.toml

Line 32 in 4eb335b

compiled_data = ["temporal_rs/compiled_data"]

Right now I have to do this instead, which is awkward:

[dependencies.temporal_capi]
version = "..."
default-features = false
features = ["compiled_data"]

# Not actually used directly, but we need to specify it as a dependency to enable features not
# exposed via the temporal_capi crate.
[dependencies.temporal_rs]
version = "*"
default-features = false
features = ["float64_representable_durations"]