chore: Add support for Scala 2.13.16 #14514

Job	Run time
windows-latest jdk-17 unit tests 1 / 2	29m 21s
windows-latest jdk-17 unit tests 2 / 2	30m 12s
macOS-latest jdk-17 unit tests 1 / 2	49m 21s
Gradle MacOS integration	10m 31s
macOS-latest jdk-17 unit tests 2 / 2	40m 53s
Sbt integration	50m 44s
ubuntu-latest jdk-17 unit tests 1 / 2	19m 33s
Maven integration	11m 14s
ubuntu-latest jdk-17 unit tests 2 / 2	18m 14s
Gradle integration	12m 6s
Scala CLI integration	16m 2s
Mill integration	48m 57s
Bazel integration	13m 33s
LSP integration tests	36m 2s
Scala cross tests	36m 56s
Formatting	36s
Scalafix and docs	4m 41s
Sbt-metals/scripted jdk11	2m 56s
sbt-metals/scripted (Sbt 2)	1m 24s
Scala javapc tests	1m 38s
Scala 2.11 cross tests	3m 50s
MiMa	43s
	7h 19m 27s

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