[release/4][BACKPORT] [auto-bump][chart] prometheus-elasticsearch-exporter-4.5.0

[d2iq-mergebot]

This is a backport of the following PR:

#1259

Add Release Notes or "None":

[FEATURE] Added elasticsearch_clustersettings_stats_max_shards_per_node metric. #277
[FEATURE] Added elasticsearch_indices_shards_store_size_in_bytes metric. #292
[FEATURE] Added --es.indices_mappings flag to scrape elasticsearch index mapping stats and elasticsearch_indices_mappings_stats collector. #411
[FEATURE] Added elasticsearch_snapshot_stats_latest_snapshot_timestamp_seconds metric. #318
[ENHANCEMENT] Added support for reloading the tls client certificate in case it changes on disk. #414
[BUGFIX] Fixed the elasticsearch_indices_shards_docs metric name. #291
[BUGFIX] Fixed elasticsearch 7.13 node stats metrics #439
[BUGFIX] Fixed snapshot stats metrics for some snapshot repository types #442

This is automated bump triggered from the source repo containing the updated Chart/Addon.
Before merging, conflicts in the following files need to be resolved:
addons/elasticsearchexporter/elasticsearchexporter.yaml

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