Bump guzzlehttp/guzzle from 7.4.0 to 7.4.5#17

dependabot[bot] wants to merge 1 commit intomainboulderDB/api:mainfrom

dependabot/composer/guzzlehttp/guzzle-7.4.5boulderDB/api:dependabot/composer/guzzlehttp/guzzle-7.4.5Copy head branch name to clipboard