Revert "scala 2.13.5"

This reverts commit d088fb6.

Author: pjfanning

.travis.yml

@@ -20,13 +20,13 @@ matrix:
     - scala: 2.12.13
       jdk: openjdk11
       env: SONATYPE_PUBLISH=false
-    - scala: 2.13.5
+    - scala: 2.13.4
       jdk: openjdk8
       env: SONATYPE_PUBLISH=true
-    - scala: 2.13.5
+    - scala: 2.13.4
       jdk: openjdk11
       env: SONATYPE_PUBLISH=false
-    - scala: 2.13.5
+    - scala: 2.13.4
       jdk: openjdk15
       env: SONATYPE_PUBLISH=false      
 

build.sbt

@@ -5,9 +5,9 @@ name := "jackson-module-scala"
 
 organization := "com.fasterxml.jackson.module"
 
-scalaVersion := "2.13.5"
+scalaVersion := "2.13.4"
 
-crossScalaVersions := Seq("2.11.12", "2.12.13", "2.13.5")
+crossScalaVersions := Seq("2.11.12", "2.12.13", "2.13.4")
 
 resolvers += Resolver.sonatypeRepo("snapshots")