Bump filelock from 3.15.4 to 3.20.1 in /code#20

dependabot[bot] wants to merge 1 commit intomainUnipisa/explica:mainfrom

dependabot/pip/code/filelock-3.20.1Unipisa/explica:dependabot/pip/code/filelock-3.20.1Copy head branch name to clipboard