Bump checker-qual from 3.6.1 to 3.21.1#709

dependabot[bot] wants to merge 1 commit intomastergoogle/google-java-format:masterfrom

dependabot/maven/org.checkerframework-checker-qual-3.21.1google/google-java-format:dependabot/maven/org.checkerframework-checker-qual-3.21.1Copy head branch name to clipboard