update release-related text in README #3172

Job	Run time
lint	31s
docker_build	23s
test (ruby 3.3 / rails 7.0.8.6 )	4m 54s
test (ruby 3.3 / rails 7.1.5 )	4m 25s
test (ruby 3.3 / rails 7.2.2 )	5m 0s
test (ruby 3.3 / rails 8.0.0 )	3m 33s
test (ruby 3.3 / rails 8.0.0 / esbuild)	3m 47s
test (ruby 3.2 / rails 7.0.8.6 )	4m 17s
test (ruby 3.2 / rails 7.1.5 Solr 8.11.2)	4m 34s
test (ruby 3.1 / rails 7.1.5 )	4m 38s
test (ruby 3.1 / rails 7.0.8.6 / Propshaft)	4m 22s
test (ruby 3.3 / rails 7.1.5 / API)	2m 25s
test (ruby 3.3 / rails 7.2.2 / Propshaft, esbuild)	3m 58s
	46m 47s

Provide feedback