Getting 403 pushing to repo in other org

[nafg]

Thanks for this project.

I'm having trouble using it in another organization though. I generated it under nafg and it doesn't seem to work for Slick repos. Not sure if I need to add more permissions or what.

You can see logs here: https://github.com/nafg/nafg-scala-steward/actions/runs/3177284529/jobs/5177543604

2022-10-03 20:33:14,696 INFO  Executing post-update hook for io.github.nafg.mergify:sbt-mergify-github-actions with command 'sbt githubWorkflowGenerate'
  2022-10-03 20:33:29,689 INFO  Push 2 commit(s)
  2022-10-03 20:33:29,924 ERROR Steward slick/hello-slick failed
  java.io.IOException: 'GIT_ASKPASS=/home/runner/scala-steward/askpass.sh "SBT_OPTS=-Xmx2048m -Xss8m -XX:MaxMetaspaceSize=512m" git -c core.hooksPath=/dev/null push --force --set-upstream origin update/sbt-mergify-github-actions-0.6.0' exited with code 128
  remote: Permission to slick/hello-slick.git denied to nafg-scala-steward[bot].
  fatal: unable to access 'https://github.com/slick/hello-slick.git/': The requested URL returned error: 403
  
  	at org.scalasteward.core.io.process$.$anonfun$slurp$9(process.scala:54)
  	at org.scalasteward.core.io.process$.$anonfun$slurp$9$adapted(process.scala:50)
  	at blocking @ org.scalasteward.core.io.FileAlg$$anon$1.ensureExists(FileAlg.scala:100)
  	at flatMap @ fs2.Compiler$Target.flatMap(Compiler.scala:163)
  	at flatMap @ fs2.Compiler$Target.flatMap(Compiler.scala:163)
  	at flatMap @ fs2.Compiler$Target.flatMap(Compiler.scala:163)
  	at flatMap @ fs2.Compiler$Target.flatMap(Compiler.scala:163)
  	at flatMap @ fs2.Compiler$Target.flatMap(Compiler.scala:163)
  	at flatMap @ fs2.Compiler$Target.flatMap(Compiler.scala:163)
  	at modify @ fs2.internal.Scope.close(Scope.scala:262)
  	at flatMap @ fs2.Compiler$Target.flatMap(Compiler.scala:163)
  	at rethrow$extension @ fs2.Compiler$Target.$anonfun$compile$1(Compiler.scala:157)
  	at get @ fs2.internal.Scope.openScope(Scope.scala:2[81](https://github.com/nafg/nafg-scala-steward/actions/runs/3177284529/jobs/5177543604#step:4:83))
  	at flatMap @ fs2.Compiler$Target.flatMap(Compiler.scala:163)
  	at flatMap @ fs2.Pull$.$anonfun$compile$21(Pull.scala:11[82](https://github.com/nafg/nafg-scala-steward/actions/runs/3177284529/jobs/5177543604#step:4:84))
  	at update @ fs2.internal.Scope.releaseChildScope(Scope.scala:224)
  	at flatMap @ fs2.Compiler$Target.flatMap(Compiler.scala:163)