Add all-features = true to docs.rs metadata (#271)

Author: Manishearth

Cargo.toml

@@ -83,3 +83,6 @@ std = []
 [package.metadata.cargo-all-features]
 denylist = ["default"]
 max_combination_size = 4
+
+[package.metadata.docs.rs]
+all-features = true

temporal_capi/Cargo.toml

@@ -22,3 +22,6 @@ diplomat = "0.10.0"
 diplomat-runtime = "0.10.0"
 temporal_rs = { workspace = true, default-features = false }
 icu_calendar = { version = "2.0.0-beta2", default-features = false }
+
+[package.metadata.docs.rs]
+all-features = true