Add retries to acceptance/docker steps in BK (#15901) (#15902)

Similarly to #15874, this commit adds retries
to another group, the acceptance/docker to reduce
build noise from transient issues.

(cherry picked from commit 2fc3f4c21f)

Co-authored-by: Dimitrios Liappis <dimitrios.liappis@gmail.com>

.buildkite/scripts/exhaustive-tests/generate-steps.py

@@ -168,6 +168,7 @@ def acceptance_docker_steps()-> list[typing.Any]:
 set -euo pipefail
 source .buildkite/scripts/common/vm-agent.sh
 ci/docker_acceptance_tests.sh {flavor}"""),
+            "retry": {"automatic": [{"limit": 3}]},
         })
 
     return steps