suppress keygrip (#1892)

Author: gemmatalbot

yarn-audit-known-issues

@@ -15,6 +15,7 @@
 {"value":"ip","children":{"ID":1101851,"Issue":"ip SSRF improper categorization in isPublic","URL":"https://github.com/advisories/GHSA-2p57-rm9w-gvfp","Severity":"high","Vulnerable Versions":"<=2.0.1","Tree Versions":["2.0.0"],"Dependents":["socks@npm:2.7.1"]}}
 {"value":"joi","children":{"ID":"joi (deprecation)","Issue":"This version has been deprecated in accordance with the hapi support policy (hapi.im/support). Please upgrade to the latest version to get the best features, bug fixes, and security patches. If you are unable to upgrade at this time, paid support is available for older versions (hapi.im/commercial).","Severity":"moderate","Vulnerable Versions":"13.7.0","Tree Versions":["13.7.0"],"Dependents":["@hmcts/one-per-page@npm:5.4.0"]}}
 {"value":"json5","children":{"ID":1096543,"Issue":"Prototype Pollution in JSON5 via Parse Method","URL":"https://github.com/advisories/GHSA-9c47-m6qq-7p4h","Severity":"high","Vulnerable Versions":"<1.0.2","Tree Versions":["0.5.1"],"Dependents":["loader-utils@npm:0.2.17"]}}
+{"value":"keygrip","children":{"ID":"keygrip (deprecation)","Issue":"Package no longer supported. Contact Support at https://www.npmjs.com/support for more info.","Severity":"moderate","Vulnerable Versions":"1.1.0","Tree Versions":["1.1.0"],"Dependents":["cookies@npm:0.9.1"]}}
 {"value":"loader-utils","children":{"ID":1094088,"Issue":"Prototype pollution in webpack loader-utils","URL":"https://github.com/advisories/GHSA-76p3-8jx3-jpfq","Severity":"critical","Vulnerable Versions":"<1.4.1","Tree Versions":["0.2.17"],"Dependents":["nunjucks-loader@virtual:35cd81f2bd4c35fd0e178354e582cf45c94dc8d6e202818876c32ea21371d42559f43079205ad2d05287beabca4c6b493fb1da4677c941d2beb182e447ab2012#npm:3.0.0"]}}
 {"value":"mem","children":{"ID":"mem (deprecation)","Issue":"Renamed to memoize: https://www.npmjs.com/package/memoize","Severity":"moderate","Vulnerable Versions":"10.0.0","Tree Versions":["10.0.0"],"Dependents":["@hmcts/div-idam-express-middleware@npm:7.0.1"]}}
 {"value":"node-domexception","children":{"ID":"node-domexception (deprecation)","Issue":"Use your platform's native DOMException instead","Severity":"moderate","Vulnerable Versions":"1.0.0","Tree Versions":["1.0.0"],"Dependents":["fetch-blob@npm:3.2.0"]}}