chore: Add support for Scala 2.13.16 #14517

Job	Run time
Gradle MacOS integration	16m 41s
windows-latest jdk-17 unit tests 1 / 2	30m 7s
Sbt integration	52m 30s
windows-latest jdk-17 unit tests 2 / 2	29m 50s
Maven integration	14m 37s
macOS-latest jdk-17 unit tests 1 / 2	45m 55s
Gradle integration	12m 40s
macOS-latest jdk-17 unit tests 2 / 2	42m 13s
Scala CLI integration	18m 21s
ubuntu-latest jdk-17 unit tests 1 / 2	17m 53s
Mill integration	40m 55s
ubuntu-latest jdk-17 unit tests 2 / 2	16m 31s
Bazel integration	13m 33s
LSP integration tests	38m 28s
Scala cross tests	36m 58s
Formatting	35s
Scalafix and docs	4m 39s
Sbt-metals/scripted jdk11	2m 52s
sbt-metals/scripted (Sbt 2)	1m 37s
Scala javapc tests	1m 58s
Scala 2.11 cross tests	4m 1s
MiMa	1m 8s
	7h 24m 2s

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