Correct library version on Readme (#530)

lenguyenthanh · web-flow · commit 345b708eb0f9 · 2020-03-17T09:02:25.000-05:00
diff --git a/README.md b/README.md
@@ -6,7 +6,7 @@ libgit2 bindings for Rust
 
 ```toml
 [dependencies]
-git2 = "0.10"
+git2 = "0.13"
 ```
 
 ## Rust version requirements
