release template: add note about Sonatype failure (#838)

Author: SethTisue

.github/ISSUE_TEMPLATE/release.md

@@ -79,6 +79,7 @@ We call this "soft" no-return because even staged artifacts can end up in local
   - Select the correct branch
   - Custom config: `before_script: export SCALA_VER_BASE=$SCALA_VER_BASE SCALA_VER_SUFFIX=$SCALA_VER_SUFFIX`
   - Check the build status on https://github.com/scala/scala/commits/2.13.x
+  - If you get "Server redirected too many  times" from Sonatype, you may need to redo the Travis-CI secrets as per https://github.com/scala/scala-dev/issues/783#issuecomment-918759252 -- this seems to reoccur from time to time for unknown reasons
   - Check that the scala/scala job also triggered a following scala/scala-dist job: https://app.travis-ci.com/github/scala/scala-dist/builds/?
   - [ ] Create the scala/scala tag locally: `git tag -s -m "Scala $SCALA_VER" v$SCALA_VER $SCALA_SHA`
   - [ ] Create scala-dist tag locally: `git tag -s -m "Scala $SCALA_VER" v$SCALA_VER $DIST_SHA`