Temporarily use a non-default branch of cisagov/ansible-role-cdm-tani…

…um-client

This change is being made for testing purposes, and this commit can be
reverted or dropped once cisagov/ansible-role-cdm-tanium-client#54 has
been merged.

src/requirements.yml

@@ -12,6 +12,7 @@ roles:
     src: https://github.com/cisagov/ansible-role-cdm-nessus-agent
   - name: cdm_tanium
     src: https://github.com/cisagov/ansible-role-cdm-tanium-client
+    version: improvement/use-latest-version-of-tanium-installers
   - name: chrony_aws
     src: https://github.com/cisagov/ansible-role-chrony-aws
   - name: clamav