Bump @storybook/addon-a11y from 7.6.13 to 7.6.15 in /extensions/ql-vscode#3364

angelapwen merged 1 commit intomaingithub/vscode-codeql:mainfrom

dependabot/npm_and_yarn/extensions/ql-vscode/storybook/addon-a11y-7.6.15github/vscode-codeql:dependabot/npm_and_yarn/extensions/ql-vscode/storybook/addon-a11y-7.6.15Copy head branch name to clipboard