sfeos

update ES env variable documentation #1222

Job	Run time
Python 3.9 testing with elasticsearch7	1m 51s
Python 3.9 testing with opensearch	2m 0s
Python 3.10 testing with elasticsearch7	1m 56s
Python 3.11 testing with elasticsearch8	2m 18s
Python 3.12 testing with elasticsearch7	2m 1s
Python 3.13 testing with opensearch	2m 8s
Python 3.11 testing with opensearch	2m 19s
Python 3.13 testing with elasticsearch8	2m 0s
Python 3.12 testing with opensearch	1m 51s
Python 3.13 testing with elasticsearch7	1m 50s
Python 3.11 testing with elasticsearch7	2m 18s
Python 3.9 testing with elasticsearch8	1m 59s
Python 3.10 testing with opensearch	1m 55s
Python 3.12 testing with elasticsearch8	1m 56s
Python 3.10 testing with elasticsearch8	2m 3s
	30m 25s

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