Update opensearchproject/opensearch Docker tag to v2.19.0 (#2055) #18316

Job	Run time
build-storybook	1m 7s
javascript-tests	4m 1s
openapi-generated-client-check-v0	45s
openapi-generated-client-check-v1	43s
python-tests	7m 34s
build-nextjs-container	2m 54s
	17m 4s

Provide feedback