Bump @springio/antora-xref-extension from 1.0.0-alpha.4 to 1.0.0-alpha.5 in /antora#17

dependabot[bot] wants to merge 1 commit intomainscottfrederick/spring-boot:mainfrom

dependabot/npm_and_yarn/antora/springio/antora-xref-extension-1.0.0-alpha.5scottfrederick/spring-boot:dependabot/npm_and_yarn/antora/springio/antora-xref-extension-1.0.0-alpha.5Copy head branch name to clipboard