Bump actions/setup-java from 4.0.0 to 4.2.1#3

dependabot[bot] wants to merge 1 commit intomastersecret-point/sturdy-java:masterfrom

dependabot/github_actions/actions/setup-java-4.2.1secret-point/sturdy-java:dependabot/github_actions/actions/setup-java-4.2.1Copy head branch name to clipboard