Disable chrono's default features (#109)

There is no need for time 0.1 compatibility (see #108)

Author: msrd0

influxdb/Cargo.toml

@@ -13,7 +13,7 @@ include = ["src/**/*", "tests/**/*", "Cargo.toml", "LICENSE"]
 repository = "https://github.com/influxdb-rs/influxdb-rust"
 
 [dependencies]
-chrono = { version = "0.4.11", features = ["serde"] }
+chrono = { version = "0.4.11", features = ["serde"], default-features = false }
 futures-util = "0.3.17"
 http = "0.2.4"
 influxdb_derive = { version = "0.5.0", optional = true }