chore(deps): bump @microsoft/typespec-msgraph from 1.0.0-Preview.7 to 1.0.0-Preview.8 in /additions#990

MIchaelMainer merged 1 commit intomastermicrosoftgraph/msgraph-metadata:masterfrom

dependabot/npm_and_yarn/additions/microsoft/typespec-msgraph-1.0.0-Preview.8microsoftgraph/msgraph-metadata:dependabot/npm_and_yarn/additions/microsoft/typespec-msgraph-1.0.0-Preview.8Copy head branch name to clipboard