Sync license-maven-plugin version (#8367)

### Motivation

license-maven-plugin version is 3.0 in the root pom.xml file. sync the version otherwise in my local environment it failed with

```
Cannot resolve plugin com.mycila:license-maven-plugin:3.0.rc1
```

### Modifications

sync version of license-maven-plugin in `buildtools/pom.xml` and `pulsar-sql/presto-distribution/pom.xml`
1 file changed
tree: 4ba7d4ad895366a33cd4738a55d5d8a16daaca2e
  1. pulsar-sql/