[misc] set 3.5.3 version

Author: rusher

README.md

@@ -29,7 +29,7 @@ or maven :
 <dependency>
 	<groupId>org.mariadb.jdbc</groupId>
 	<artifactId>mariadb-java-client</artifactId>
-	<version>3.5.2</version>
+	<version>3.5.3</version>
 </dependency>
 ```
 
@@ -48,7 +48,7 @@ Development snapshot are available on sonatype nexus repository
 	<dependency>
 		<groupId>org.mariadb.jdbc</groupId>
 		<artifactId>mariadb-java-client</artifactId>
-		<version>3.5.3-SNAPSHOT</version>
+		<version>3.5.4-SNAPSHOT</version>
 	</dependency>
 </dependencies>
 ```

pom.xml

@@ -7,7 +7,7 @@
     <artifactId>mariadb-java-client</artifactId>
     <packaging>jar</packaging>
     <name>mariadb-java-client</name>
-    <version>3.5.3-SNAPSHOT</version>
+    <version>3.5.3</version>
     <description>JDBC driver for MariaDB and MySQL</description>
     <url>https://mariadb.com/kb/en/mariadb/about-mariadb-connector-j/</url>