Document change of Elasticsearch Operator support timeframe.

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Similar to   CLOUDDST-23816  Logging team want to extend elasticsearch-operator:5.8 to v4.17, and v4.18 (Logging PR).   can you update the bundles to make 5.8 in these index imagfes.

CVP errors we want to fix.
http://external-ci-coldstorage.datahub.redhat.com/cvp/cvp-redhat-operator-bundle-image-validation-test/elasticsearch-operator-metadata-container-v5.8.13-6/2debabe7-f156-41b5-bc30-54efd031250b/operator-catalog-initialization-bundle-image-output.txt

Build state history for v4.17: 2024-09-18T02:12:39.628913Z - failed - Failed to add the bundles to the index image: Invalid bundle elasticsearch-operator.v5.8.13, replaces nonexistent bundle elasticsearch-operator.v5.8.12 20
Build state history for v4.18: 2024-09-18T02:13:21.162863Z - failed - Failed to add the bundles to the index image: Invalid bundle elasticsearch-operator.v5.8.13, replaces nonexistent bundle elasticsearch-operator.v5.8.12 2