Update listed rand_core version number (#1254)

atouchet · web-flow · commit 2b4f00add718 · 2022-09-16T07:41:28.000+01:00
diff --git a/rand_core/README.md b/rand_core/README.md
@@ -43,7 +43,7 @@ The traits and error types are also available via `rand`.
 
 The current version is:
 ```
-rand_core = "0.6.0"
+rand_core = "0.6.4"
 ```
 
 Rand libs have inter-dependencies and make use of the
