README.md: fix blog post link

Change-Id: Iff03129f3092cef1ae91f6b1642edf4609f9d9b4
Reviewed-on: https://go-review.googlesource.com/c/vscode-go/+/237164
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
diff --git a/README.md b/README.md
index 4faea7f..9b35298 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@
 
 Take a look at the [Changelog](CHANGELOG.md) to learn about new features.
 
-> This is the **new** home for the VS Code Go extension. We just migrated from [Microsoft/vscode-go](https://github.com/Microsoft/vscode-go). Learn more our move on the [Go blog](https://golang.blog/the-vs-code-go-extension-joins-the-go-project).
+> This is the **new** home for the VS Code Go extension. We just migrated from [Microsoft/vscode-go](https://github.com/Microsoft/vscode-go). Learn more our move on the [Go blog](https://blog.golang.org/vscode-go).
 
 ## Overview