Update all packages (esp. scipy) and raise version to v2.8.2

Author: Sebastian Hönel

README.md

@@ -53,7 +53,7 @@ between versions
 [**`v1.0.8`**](https://github.com/MrShoenel/metrics-as-scores/tree/v1.0.8)
 and **`v2.x.x`**.
 
-The current version is `v2.8.1`.
+The current version is `v2.8.2`.
 
 From version **`v2.x.x`** it has the following new features: