remove clojure dep for CI

script/docker-unit-coverage

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+# Run the unit tests under Cloverage inside the app image; needs only Docker. The report is
+# copied out with `docker cp` (not a bind mount) so it works when this itself runs in a
+# job container. Output: target/coverage/unit.
+set -euo pipefail
+cd "$(dirname "$0")/.."
+source script/lib/docker.sh
+
+build_unit_image
+
+id=$(docker create --security-opt apparmor=unconfined vibe-unit \
+  clojure -M:cov -m cloverage.coverage \
+  --src-ns-path src --test-ns-path test \
+  --lcov --html --output target/coverage/unit)
+trap 'docker rm -f "$id" >/dev/null' EXIT
+
+status=0
+docker start -a "$id" || status=$?
+
+rm -rf target/coverage/unit
+mkdir -p target/coverage
+docker cp "$id:/app/target/coverage/unit" target/coverage/ || echo "[test] WARNING: no unit coverage report was produced"
+exit "$status"