bump: scala-library 2.13.16 (was 2.13.15) #1567

Job	Run time
Checks	5m 37s
Compile and test (2.13)	5m 23s
Gradle tests	4m 55s
Compile Benchmarks	5m 31s
Compile and test (3.3)	5m 48s
Maven tests	6m 19s
sbt scripted tests (gen-scala-server, 2.13)	8m 42s
sbt scripted tests (gen-java, 2.13)	4m 44s
sbt scripted tests (scala-2_13, 2.13)	9m 45s
sbt scripted tests (scala3, 3.3)	8m 59s
	1h 5m 43s

Provide feedback