update bats to 1.9.0 for gating tests.

- Related: #2176055

Signed-off-by: Jindrich Novy <jnovy@redhat.com>

tests/roles/bats_installed/tasks/main.yml

@@ -2,11 +2,11 @@
 # Sigh; RHEL8 doesn't have BATS
 - name: bats | fetch and unpack tarball
   unarchive:
-    src: https://github.com/bats-core/bats-core/archive/v1.5.0.tar.gz
+    src: https://github.com/bats-core/bats-core/archive/v1.9.0.tar.gz
     dest: /root
     remote_src: true
 
 - name: bats | install
   command: ./install.sh /usr/local
   args:
-    chdir: /root/bats-core-1.5.0
+    chdir: /root/bats-core-1.9.0