Update api minimum go version to 1.21

dmcgowan · dmcgowan · commit 359d84351d53 · 2024-05-28T13:05:03.000-07:00
A higher go build version is not required for the API

Signed-off-by: Derek McGowan &lt;derek@mcg.dev&gt;
diff --git a/api/go.mod b/api/go.mod
@@ -1,6 +1,6 @@
 module github.com/containerd/containerd/api
 
-go 1.22.0
+go 1.21
 
 require (
 	github.com/containerd/ttrpc v1.2.3
