[maven-release-plugin] prepare release 1.9.1

Author: PLNech

pom.xml

@@ -2,7 +2,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.algolia</groupId>
     <artifactId>algoliasearch</artifactId>
-    <version>1.10-SNAPSHOT</version>
+    <version>1.9.1</version>
     <name>Algolia Search Client</name>
     <description>Java client for Algolia Search API</description>
     <url>https://github.com/algolia/algoliasearch-client-java</url>
@@ -25,7 +25,7 @@
         <connection>scm:git:git@github.com:algolia/algoliasearch-client-java.git</connection>
         <url>scm:git:git@github.com:algolia/algoliasearch-client-java.git</url>
         <developerConnection>scm:git:git@github.com:algolia/algoliasearch-client-java.git</developerConnection>
-        <tag>HEAD</tag>
+        <tag>1.9.1</tag>
     </scm>
     <developers>
         <developer>