fix: add ruamel yaml for lava container runs

Signed-off-by: Maksims Svecovs <maksims.svecovs@arm.com>
Change-Id: I15b2457111af3cf0bc09181271e349bc05c59b48
diff --git a/job/tf-worker/run_lava_job.sh b/job/tf-worker/run_lava_job.sh
index 7eb67b7..158f546 100755
--- a/job/tf-worker/run_lava_job.sh
+++ b/job/tf-worker/run_lava_job.sh
@@ -38,7 +38,7 @@
 # Install lavacli with fixes
 virtualenv -p $(which python3) venv
 source venv/bin/activate
-pip install -q lavacli
+pip install -q lavacli ruamel.yaml dataclasses
 
 # Configure lavacli
 lavacli identities add \