chore: ignore mocks in codecov (argoproj#18685)

Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com>
Signed-off-by: Javier Solana <javier.solana@cabify.com>
Signed-off-by: Javier Solana <javier.solana@cabify.com>

.codecov.yml

@@ -8,6 +8,7 @@ ignore:
 - "pkg/client/.*"
 - "vendor/.*"
 - "test/.*"
+- "**/mocks/*"
 coverage:
   status:
     # we've found this not to be useful