v1.11.0

Data Stream indexing/search/delete metrics

Enriches the --collector.data-stream collector with 10 new metrics aggregated from backing indices, making it self-sufficient without needing --es.indices (which causes high cardinality per backing index).

New metrics (elasticsearch_data_stream_stats_*, label: data_stream)

Metric	Type
indexing_index_total	Counter
indexing_index_time_seconds_total	Counter
indexing_index_current	Gauge
indexing_delete_total	Counter
indexing_delete_time_seconds_total	Counter
search_query_total	Counter
search_query_time_seconds_total	Counter
search_fetch_total	Counter
search_fetch_time_seconds_total	Counter
docs_total	Gauge

Other changes

• Removed debug fmt.Printf statement
• Added GHCR build workflow (ghcr.io/freepik-company/elasticsearch-exporter)
• Added multi-stage Dockerfile.ghcr for multi-arch builds (amd64/arm64)