e2e: publish qa alldevices results to clickhouse

[martinsander00]

Resolves: #2746

Note: This feature has an env filter which currently only runs on devnet

Summary

• Adds ClickHouse as a second publishing target for TestQA_AllDevices_UnicastConnectivity results, alongside the existing InfluxDB publishing
• Two tables are auto-created on first use: qa_alldevices_results (one row per device per run) and qa_alldevices_metadata (one summary row per run)
• Follows the same pattern as the controller's ClickHouse integration — configured via CLICKHOUSE_ADDR env var, skipped gracefully when not set

Testing Verification

• Unit tests cover env var parsing and connection options (TLS, scheme stripping): go test -run "TestClickhouse|TestBuild" ./e2e/internal/qa/...
• Companion infra PR malbeclabs/infra#639 adds the CLICKHOUSE_* env vars to the three qa.alldevices.* workflows