Update some URLs in Readme (#127)

Author: atouchet

README.md

@@ -1,6 +1,6 @@
 # fastrand
 
-[![Build](https://github.com/smol-rs/fastrand/workflows/CI/badge.svg)](
+[![Build](https://github.com/smol-rs/fastrand/actions/workflows/ci.yml/badge.svg)](
 https://github.com/smol-rs/fastrand/actions)
 [![License](https://img.shields.io/badge/license-Apache--2.0_OR_MIT-blue.svg)](
 https://github.com/smol-rs/fastrand)
@@ -98,8 +98,8 @@ This crate aims to expose a core set of useful randomness primitives. For more n
 
 Licensed under either of
 
- * Apache License, Version 2.0 ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
- * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
+ * Apache License, Version 2.0 ([LICENSE-APACHE](LICENSE-APACHE) or https://www.apache.org/licenses/LICENSE-2.0)
+ * MIT license ([LICENSE-MIT](LICENSE-MIT) or https://opensource.org/license/mit)
 
 at your option.