bump: Scala 2.13.12 #1150

Job	Run time
Compile Benchmarks	4m 1s
Compile Benchmarks	4m 1s
Docs	7m 28s
Docs	7m 28s
Checks	3m 34s
Checks	3m 34s
Compile and test (2.13)	7m 6s
Compile and test (2.13)	9m 50s
Gradle tests	7m 29s
Gradle tests	7m 29s
Maven tests	6m 42s
Maven tests	6m 42s
sbt scripted tests (gen-scala-server, 2.13)	12m 50s
sbt scripted tests (gen-scala-server, 2.13)	12m 50s
Compile and test (3.3)	7m 37s
Compile and test (3.3)	7m 37s
sbt scripted tests (gen-java, 2.13)	8m 34s
sbt scripted tests (gen-java, 2.13)	8m 34s
sbt scripted tests (scala-2_13, 2.13)	6m 19s
sbt scripted tests (scala-2_13, 2.13)	6m 19s
sbt scripted tests (scala3, 3.3)	7m 36s
sbt scripted tests (scala3, 3.3)	7m 36s
	2h 41m 16s

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