CI: pin ansible-lint to <6

ansible-lint 6.0.0 introduced requirement to use FQCNs

Change-Id: I3f27c6bcdd200252ebb089f6377294f7e3a911a0
Signed-off-by: Maksim Malchuk <[email protected]>
(cherry picked from commit 3169bdf)

Author: mmalchuk

test-requirements.txt

@@ -1,5 +1,5 @@
 # linting
-ansible-lint>=4.2.0,!=4.3.0 # MIT
+ansible-lint>=4.2.0,!=4.3.0,<6.0.0 # MIT
 bandit>=1.1.0 # Apache-2.0
 bashate>=0.5.1 # Apache-2.0
 doc8>=0.6.0 # Apache-2.0