[FSSDK-8579] chore: prepare for release 4.0.0 (#536) #318

Job	Run time
lint_markdown_files	2m 48s
publish	0s
snapshot	0s
test (8, GSON_CONFIG_PARSER)	3m 17s
test (8, JACKSON_CONFIG_PARSER)	3m 40s
test (8, JSON_CONFIG_PARSER)	2m 57s
test (8, JSON_SIMPLE_CONFIG_PARSER)	2m 42s
test (9, GSON_CONFIG_PARSER)	5m 2s
test (9, JACKSON_CONFIG_PARSER)	6m 37s
test (9, JSON_CONFIG_PARSER)	4m 8s
test (9, JSON_SIMPLE_CONFIG_PARSER)	5m 36s
integration_tests / test	5s
fullstack_production_suite / test	6s
	36m 58s

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