Fix ArangoDB link

README.md

@@ -1092,7 +1092,7 @@ See also [About Rust’s Machine Learning Community](https://medium.com/@autumn_
 
 * NoSQL [[nosql](https://crates.io/keywords/nosql)]
 
-  * [ArangoDB](https://www.arangodb.com)
+  * [ArangoDB](https://arangodb.com)
     * [Aragog](https://gitlab.com/qonfucius/aragog) [[aragog](https://crates.io/crates/aragog)] - A Lightweight ArangoDB Object document, relational and graph mapper [![pipeline status](https://gitlab.com/qonfucius/aragog/badges/master/pipeline.svg)](https://gitlab.com/qonfucius/aragog/-/commits/master)
     * [Arangors](https://github.com/fMeow/arangors) [[arangors](https://crates.io/crates/arangors)] - An ArangoDB driver for Rust
   * [Cassandra](https://cassandra.apache.org/_/index.html) [[cassandra](https://crates.io/keywords/cassandra), [cql](https://crates.io/keywords/cql)]