docs: fix key name

Kikobeats · Kikobeats · commit f3548c7a91e7 · 2024-01-04T15:11:03.000+01:00
diff --git a/README.md b/README.md
@@ -21,7 +21,7 @@ await createSecret({
   owner: "Kikobeats",
   repo: "test",
   name: "MY_SECRET",
-  secret: "MY_VALUE"
+  value: "MY_VALUE"
 })
 ```
 
