Modules: Add patched goavro dependency for extensions (#21027)

vendor/github.com/linkedin/goavro/v2/debug_development.go

@@ -0,0 +1,13 @@
+// +build goavro_debug
+
+package goavro
+
+import (
+	"fmt"
+	"os"
+)
+
+// debug formats and prints arguments to stderr for development builds
+func debug(f string, a ...interface{}) {
+	os.Stderr.Write([]byte("goavro: " + fmt.Sprintf(f, a...)))
+}