Update RELEASE.md

Add example version

Author: jk-idealo

RELEASE.md

@@ -1,8 +1,8 @@
 # Steps to release a new version
 
-1. Decide whether to do a patch, minor or major release
+1. Decide whether to do a patch, minor or major release (e.g. `1.2.3`)
 2. Adjust the version in the [pom.xml](https://github.com/Nylle/JavaFixture/blob/master/pom.xml#L10)
-3. Adjust the version in the [README.md](https://github.com/Nylle/JavaFixture/blob/master/README.md?plain=1#L25)
+3. Adjust the version in the [README.md](https://github.com/Nylle/JavaFixture/blob/master/README.md?plain=1#L25) (getting started)
 4. Commit the changes _(the commit message will be the release notes, so make sure to include anything important; markdown is supported)_
 5. Create a tag with the pom-version: `git tag 1.2.3`
 6. Push your commit together with the tag