chore: Fix some sbt deprecations (#2051) (#2061)

(cherry picked from commit 0d1599c)

Author: He-Pin

project/PekkoDevelocityPlugin.scala

@@ -60,8 +60,8 @@ object PekkoDevelocityPlugin extends AutoPlugin {
                   .withEnabled(false)))
       if (isInsideCI) {
         apacheDevelocityConfiguration
-          .withTestRetryConfiguration(
-            original.testRetryConfiguration
+          .withTestRetry(
+            original.testRetry
               .withMaxRetries(1)
               .withFlakyTestPolicy(FlakyTestPolicy.Fail) // preserve the original build outcome in case of flaky tests
           )

project/ValidatePullRequest.scala

@@ -11,8 +11,8 @@
  * Copyright (C) 2009-2022 Lightbend Inc. <https://www.lightbend.com>
  */
 
-import com.hpe.sbt.ValidatePullRequest
-import com.hpe.sbt.ValidatePullRequest.PathGlobFilter
+import com.github.sbt.pullrequestvalidator.ValidatePullRequest
+import com.github.sbt.pullrequestvalidator.ValidatePullRequest.PathGlobFilter
 import com.lightbend.paradox.sbt.ParadoxPlugin
 import com.lightbend.paradox.sbt.ParadoxPlugin.autoImport.paradox
 import com.typesafe.tools.mima.plugin.MimaKeys.mimaReportBinaryIssues