[DevDependency] bump codecov from 3.8.2 to 3.8.3#353

MasterOdin merged 1 commit intomasterSubmitty/pdf-annotate.js:masterfrom

dependabot/npm_and_yarn/codecov-3.8.3Submitty/pdf-annotate.js:dependabot/npm_and_yarn/codecov-3.8.3Copy head branch name to clipboard