[release-v1.34] Bump go to 1.21 (#71)

Bump go to 1.21

Signed-off-by: Catherine Chan-Tse <cchantse@redhat.com>
Co-authored-by: Catherine Chan-Tse <cchantse@redhat.com>

Author: openshift-cherrypick-robot

go.mod

@@ -1,6 +1,6 @@
 module github.com/operator-framework/ansible-operator-plugins
 
-go 1.20
+go 1.21
 
 require (
 	github.com/go-logr/logr v1.4.1