bump avro version to 1.11.3

[raphaelauv]

What is currently missing?

the project using a fork of avro 1.11.2

How could this be improved?

the project could use avro 1.11.3 ( since 1.11.4 is only for java )

Is this a feature you would work on yourself?

• [ ] I plan to open a pull request for this feature