release: Update package.xml version to 1.9.0

6 jobs for master in 44 minutes and 52 seconds (queued for 1 second)
Name Stage Failure
robotpkg-py-crocoddyl-buster Test
Total Test time (real) =  34.83 sec

The following tests FAILED:
15 - test_actions (Child aborted)
16 - test_diff_actions (Child aborted)
Errors while running CTest
make: *** [Makefile:110: test] Error 8
Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1