Update sbt-github-actions to 0.28.0#140

scala-steward wants to merge 2 commits intoguardrail-dev:masterguardrail-dev/guardrail-sample-sbt-http4s:masterfrom

scala-steward:update/sbt-github-actions-0.28.0scala-steward/guardrail-sample-http4s:update/sbt-github-actions-0.28.0Copy head branch name to clipboard