sfeos

update ES env variable documentation #1208

Job	Run time
Python 3.9 testing with opensearch	1m 57s
Python 3.10 testing with elasticsearch7	1m 50s
Python 3.9 testing with elasticsearch8	1m 52s
Python 3.9 testing with elasticsearch7	1m 54s
Python 3.12 testing with elasticsearch8	1m 57s
Python 3.12 testing with opensearch	1m 55s
Python 3.11 testing with elasticsearch7	2m 22s
Python 3.11 testing with opensearch	2m 17s
Python 3.11 testing with elasticsearch8	2m 16s
Python 3.13 testing with opensearch	1m 54s
Python 3.13 testing with elasticsearch7	1m 52s
Python 3.10 testing with elasticsearch8	1m 56s
Python 3.13 testing with elasticsearch8	1m 53s
Python 3.10 testing with opensearch	1m 55s
Python 3.12 testing with elasticsearch7	2m 0s
	29m 50s

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