Add support for Jedis 6.x versions

[singlyfy]

Right now when using Jedis version 6.0.0 NoSuchMethodError is thrown:

java.lang.NoSuchMethodError: redis/clients/jedis/params/SetParams.px(J)Lredis/clients/jedis/params/SetParams;

[lukas-krecan]

Hi, thanks for feedback. It's been fixed in Jedis by redis/jedis#4225 so hopefully the next Jedis release will work again. There is not much I can do on the ShedLock side.

[lukas-krecan]

Can you please try Jedis 6.1.0?