Fix lint for Primer ESLint v9

Co-authored-by: siddharthkp <1863771+siddharthkp@users.noreply.github.com>

Author: Copilot

theme/.eslintrc.json

@@ -20,7 +20,6 @@
     "react/prop-types": "off",
     "react/display-name": "off",
     "eslint-comments/no-use": "off",
-    "no-shadow": "off",
-    "primer-react/no-system-props": ["warn", {"includeUtilityComponents": true}]
+    "no-shadow": "off"
   }
 }

theme/src/components/contributors.js

@@ -17,7 +17,7 @@ function Contributors({contributors}) {
           {uniqueContributors.length} {pluralize('contributor', uniqueContributors.length)}
         </Text>
         {uniqueContributors.map(contributor => (
-          <Tooltip key={contributor.login} aria-label={contributor.login} sx={{mr: 2, lineHeight: 'condensedUltra'}}>
+          <Tooltip key={contributor.login} text={contributor.login} sx={{mr: 2, lineHeight: 'condensedUltra'}}>
             <Link key={contributor.login} href={`https://github.com/${contributor.login}`}>
               <Avatar src={`https://github.com/${contributor.login}.png?size=40`} alt={contributor.login} />
             </Link>