Upgrade Elasticsearch to latest LTS version (9.x) #2251
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Summary: Upgrade Elasticsearch to latest LTS version (9.x)
This PR upgrades the self hosted Pixie cloud to the latest LTS version (9.x) and its eck operator to v3.0. The diff for the eck changes are too large to view in GitHub, but the file was updated with the contents of the all-crds.yaml file.
In addition to the changes required for the version upgrade, it also runs Elasticsearch as the elasticsearch user (uid 1000) and sets resource limits to ensure that the Elasticsearch nodes can be scheduled on a minikube cluster.
Relevant Issues: N/A
Type of change: /kind dependencies
Test Plan: Deployed a fresh cloud and verified indexer service is functional and pxl argument autocomplete works
Changelog Message: Upgrade Pixie cloud's Elasticsearch from 7.6.0 to the latest LTS release (9.x).