Update scala-library to 2.12.21 in series/0.25

http4s-steward[bot] · http4s-steward[bot] · commit 484201f0a5d5 · 2025-12-12T01:05:24.000Z
diff --git a/build.sbt b/build.sbt
@@ -4,7 +4,7 @@ ThisBuild / developers := List(
 )
 
 val Scala213 = "2.13.16"
-ThisBuild / crossScalaVersions := Seq("2.12.20", Scala213, "3.3.7")
+ThisBuild / crossScalaVersions := Seq("2.12.21", Scala213, "3.3.7")
 ThisBuild / scalaVersion := Scala213
 ThisBuild / startYear := Some(2018)
 

Original file line number	Diff line number	Diff line change
`@@ -4,7 +4,7 @@ ThisBuild / developers := List(`
`4`	`4`	`)`
`5`	`5`
`6`	`6`	`val Scala213 = "2.13.16"`
`7`		`-ThisBuild / crossScalaVersions := Seq("2.12.20", Scala213, "3.3.7")`
	`7`	`+ThisBuild / crossScalaVersions := Seq("2.12.21", Scala213, "3.3.7")`
`8`	`8`	`ThisBuild / scalaVersion := Scala213`
`9`	`9`	`ThisBuild / startYear := Some(2018)`
`10`	`10`