tenant: add missing netty-buffer dependency for Redis
<!-- Technically, test-runtime -->
<scope>test</scope>
</dependency>
+ <dependency>
+ <groupId>io.netty</groupId>
+ <artifactId>netty-buffer</artifactId>
+ </dependency>
<dependency>
<groupId>it.ozimov</groupId>
<artifactId>embedded-redis</artifactId>
