Static runtime validation

Workflow runs for Static runtime validation

• Update examples, Nix pins, and README for 0.28.1

  completed successfully:
  Static runtime validation#4:Pull request#558synchronizebylukewilliamboswell
  release-followup/0.28.1

  Nov 13, 202615m 0s
  More actions for workflow run 4

• Update examples, Nix pins, and README for 0.28.1

  failed:
  Static runtime validation#3:Pull request#558openedbygithub-actions[bot]Bot
  release-followup/0.28.1

  Nov 13, 202625m 36s
  More actions for workflow run 3

• Fix nightly compatibility and prepare 0.28.1

  completed successfully:
  Static runtime validation#2:Pull request#557synchronizebylukewilliamboswell
  fix/nightly-compatibility-0.28.1

  Nov 13, 20268m 54s
  More actions for workflow run 2

• Fix nightly compatibility and prepare 0.28.1

  cancelled:
  Static runtime validation#1:Pull request#557openedbylukewilliamboswell
  fix/nightly-compatibility-0.28.1

  Nov 13, 20262m 6s
  More actions for workflow run 1