PULSEDEV-00000 feedzai-openml: Change version to 1.2.0

Both in README.md and in the new ModelExplainer

README.md

@@ -20,7 +20,7 @@ The [OpenML API module](https://github.com/feedzai/feedzai-openml/tree/master/op
   <groupId>com.feedzai</groupId>
   <artifactId>openml-api</artifactId>
   <!-- See project tags for latest version -->
-  <version>1.1.1</version>
+  <version>1.2.0</version>
 </dependency>
 ```
 
@@ -34,7 +34,7 @@ The [openml-utils](https://github.com/feedzai/feedzai-openml/tree/master/openml-
   <groupId>com.feedzai</groupId>
   <artifactId>openml-utils</artifactId>
   <!-- See project tags for latest version -->
-  <version>1.1.1</version>
+  <version>1.2.0</version>
 </dependency>
 ```
 
@@ -54,7 +54,7 @@ Make sure your provider is identified according to the specification of [Java's
 As a way to ease the creation of new OpenML Providers, a Maven archetype was created. To get started with it, just run:
 
 ```bash
-mvn archetype:generate -DarchetypeGroupId=com.feedzai -DarchetypeArtifactId=openml-provider-archetype -DarchetypeVersion=1.1.1
+mvn archetype:generate -DarchetypeGroupId=com.feedzai -DarchetypeArtifactId=openml-provider-archetype -DarchetypeVersion=1.2.0
 ```
 
 After providing all the necessary information (your new provider groupId, artifactId, and version), a template provider with some guidance will be available on your workspace.

openml-api/src/main/java/com/feedzai/openml/explanations/ModelExplainer.java

@@ -25,7 +25,7 @@
  * Implementations should probably hold some {@link MachineLearningModel} and this {@link ModelExplainer} will
  * compute the feature contributions for its predictions through {@link #getFeatureContributions(Instance)}.
  *
- * @since 1.1.1
+ * @since 1.2.0
  * @author Miguel Lobo ([email protected])
  */
 public interface ModelExplainer {