Remove mod replaces

The mod replaces are no longer required since helm v3.7.1.

Signed-off-by: Aurel Canciu <aurelcanciu@gmail.com>

Author: relu

go.mod

@@ -227,4 +227,4 @@ replace github.com/containerd/containerd => github.com/containerd/containerd v1.
 replace github.com/opencontainers/runc => github.com/opencontainers/runc v1.0.3
 
 // Fix CVE-2021-41190
-replace github.com/opencontainers/image-spec => github.com/opencontainers/image-spec v1.0.2
+replace github.com/opencontainers/image-spec => github.com/opencontainers/image-spec v1.0.2