Update to v0.12.0
diff --git a/internal/buf/cmd/buf/buf.go b/internal/buf/cmd/buf/buf.go
index 46c1547..939f8af 100644
--- a/internal/buf/cmd/buf/buf.go
+++ b/internal/buf/cmd/buf/buf.go
@@ -21,7 +21,7 @@
 	"github.com/bufbuild/buf/internal/pkg/app/appflag"
 )
 
-const version = "0.12.0-dev"
+const version = "0.12.0"
 
 // Main is the main.
 func Main(use string, options ...RootCommandOption) {