Update last Next.js version tested

Pierre de la Martiniere · Pierre de la Martiniere · commit 9a11e49b67df · 2022-11-01T16:28:59.000+01:00
diff --git a/README.md b/README.md
@@ -34,7 +34,7 @@ What this plugin **does not aim** to solve:
 | Next.js 8 / 9     | 2.x                |
 | Next.js 6 / 7     | 1.x                |
 
-Last Next.js version tested: **12.1.6**.
+Last Next.js version tested: **13.0.1**.
 
 ## Installation
 
