chore(deps): bump @primer/css from 20.3.0 to 20.4.1 (lowlighter#1167)

Author: dependabot[bot]

package-lock.json

@@ -35,7 +35,7 @@
     "@googlemaps/google-maps-services-js": "^3.3.16",
     "@octokit/graphql": "^5.0.0",
     "@octokit/rest": "^19.0.3",
-    "@primer/css": "^20.3.0",
+    "@primer/css": "^20.4.1",
     "@primer/octicons": "^17.4.0",
     "axios": "^0.27.2",
     "clipboard": "^2.0.11",