gitignore: do not track scylla-apiclient/target/
gitignore: do not track scylla-apiclient/target/

It is created when building jmx.

Signed-off-by: Benny Halevy <23c997c90eb8537635e9392d48e7af1bf1b2ca22@scylladb.com>

scylladb/scylla-jmx,scylladb/scylla-jmx,scylladb/scylla-jmx