Updated dependencies to match latest starterkit

* removed unused dependencies
* updated dependencies to match starterkit
* updated build pipeline

test/run

@@ -1,4 +1,8 @@
-#! /bin/bash
+#! /bin/sh
+set -eu
+
 # This is the expected entry point for Cockpit CI; will be called without
-# arguments but with an appropriate $TEST_OS
+# arguments but with an appropriate $TEST_OS, and optionally $TEST_SCENARIO
+
+[ -z "${TEST_SCENARIO:-}" ] || export TEST_BROWSER="$TEST_SCENARIO"
 make check