Nightly Dotty workflow of 2022-07-14 failed

[github-actions]

See https://github.com/lampepfl/dotty/actions/runs/2667755901

[som-snytt]

Failures in community build c are the worst, take it from me.

[odersky]

The CB build fails because of this:

sbt.librarymanagement.ResolveException: Error downloading tools.jackson:jackson-base:3.0.0-SNAPSHOT
[error] Not found
[error] Not found
[error] not found: /root/.ivy2/local/tools.jackson/jackson-base/3.0.0-SNAPSHOT/ivys/ivy.xml
[error] not found: https://scala-webapps.epfl.ch/artifactory/sbt-plugin-releases/tools.jackson/jackson-base/3.0.0-SNAPSHOT/ivys/ivy.xml
[error] download error: Caught java.io.IOException (Server returned HTTP response code: 409 for URL: https://scala-webapps.epfl.ch/artifactory/central/tools/jackson/jackson-base/3.0.0-SNAPSHOT/jackson-base-3.0.0-SNAPSHOT.pom) while downloading https://scala-webapps.epfl.ch/artifactory/central/tools/jackson/jackson-base/3.0.0-SNAPSHOT/jackson-base-3.0.0-SNAPSHOT.pom
[error] not found: https://oss.sonatype.org/content/repositories/snapshots/tools/jackson/jackson-base/3.0.0-SNAPSHOT/jackson-base-3.0.0-SNAPSHOT.pom
Merge state