Update version badge

Author: bugadani

README.md

@@ -1,4 +1,4 @@
-Slots [![crates.io](https://img.shields.io/badge/crates.io-v0.1.0-orange.svg?longCache=true)](https://crates.io/crates/slots) ![build status](https://github.com/bugadani/slots/workflows/Rust/badge.svg) [![codecov](https://codecov.io/gh/bugadani/Slots/branch/master/graph/badge.svg)](https://codecov.io/gh/bugadani/Slots)
+Slots [![crates.io](https://img.shields.io/badge/crates.io-v0.1.1-orange.svg?longCache=true)](https://crates.io/crates/slots) ![build status](https://github.com/bugadani/slots/workflows/Rust/badge.svg) [![codecov](https://codecov.io/gh/bugadani/Slots/branch/master/graph/badge.svg)](https://codecov.io/gh/bugadani/Slots)
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 Fixed size data structure with constant-time operations.