sfeos

fix: ensure max_connection accepts default/None #1916

Job	Run time
Python 3.9 testing with opensearch	1m 49s
Python 3.11 testing with elasticsearch8	1m 52s
Python 3.11 testing with opensearch	1m 53s
Python 3.10 testing with opensearch	2m 5s
Python 3.12 testing with elasticsearch8	2m 5s
Python 3.10 testing with elasticsearch8	2m 4s
Python 3.13 testing with opensearch	2m 5s
Python 3.9 testing with elasticsearch8	1m 52s
Python 3.14 testing with elasticsearch8	1m 52s
Python 3.12 testing with opensearch	2m 5s
Python 3.14 testing with opensearch	2m 6s
Python 3.13 testing with elasticsearch8	2m 4s
	23m 52s

Provide feedback