Fix cron jobs (repo.akka.io not used anymore) (backport #10961)

[mergify]

This is an automatic backport of pull request #10961 done by Mergify.
Cherry-pick of cb29163 has failed:

On branch mergify/bp/2.8.x/pr-10961
Your branch is up to date with 'origin/2.8.x'.

You are currently cherry-picking commit cb29163593.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   .travis.yml
	modified:   dev-mode/sbt-scripted-tools/src/main/scala/play/sbt/scriptedtools/ScriptedTools.scala
	modified:   documentation/manual/working/commonGuide/build/code/dependencies.sbt
	modified:   documentation/manual/working/commonGuide/build/sbtSubProjects.md
	modified:   project/AkkaSnapshotRepositories.scala
	modified:   project/Dependencies.scala

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   scripts/scriptLib

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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