Feature gate object_store and reqwest

Cargo.toml

@@ -31,3 +31,11 @@ tokio = { version = "1.9", features = ["macros", "fs", "rt-multi-thread"] }
 default = ["object_store", "reqwest"]
 reqwest = ["dep:reqwest"]
 object_store = ["dep:object_store"]
+
+[package.metadata.cargo-all-features]
+
+# If your crate has a large number of optional dependencies, skip them for speed
+skip_optional_dependencies = true
+
+# Exclude certain features from the build matrix
+denylist = ["default"]