Revert "redis updated to 7.0.7"

This reverts commit a8bbe08.

Author: Roman Janusz

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ on:
 
 env:
   GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-  REDIS_VERSION: 7.0.7
+  REDIS_VERSION: 6.2.6
 
 jobs:
   build:

project/Build.scala

@@ -90,7 +90,7 @@ object Build extends BuildDef {
     githubWorkflowTargetTags ++= Seq("v*"),
 
     githubWorkflowEnv ++= Map(
-      "REDIS_VERSION" -> "7.0.7",
+      "REDIS_VERSION" -> "6.2.6",
     ),
     githubWorkflowJavaVersions := Seq("graalvm-ce-java11@21.1.0", "openjdk@1.17"),
     githubWorkflowBuildPreamble ++= Seq(