Release v0.2.4

Added

• golangci-lint linters
  • unstable container
    • errcheck
    • gocognit
    • gocyclo
    • goerr113

Changed

• Go versions

  • Update stable container from 1.15.0 to 1.15.1
  • Update oldstable container from 1.14.7 to 1.14.8
  • Update unstable container from 1.15rc2 to 1.15.1
    • the plan is to swap out to the next unstable Go version when it becomes
      available

• unstable container

  • use latest stable Go version (see note above)
  • update linters (see above)
  • local copy of golangci-lint config file specific to this image variant

References

• See the v0.2.4 milestone for the issues associated with this release.
• See our CHANGELOG for more information.