Support for ML-DSA keys

[maraino]

This PR adds support for ML-DSA keys on ca, certificate, and key commands. SSH and JOSE commands doesn't yet support ML-DSA keys.

This PR also updates minimum version of Go to 1.26 and modernizes go with go fix ./...

[hslatman]

Suggested change

	: Create an **RSA** key pair
	**ML-DSA-44**
	: Create a ML-DSA key pair using the **ML-DSA-44** parameter set.
	**ML-DSA-65**
	: Create a ML-DSA key pair using the **ML-DSA-65** parameter set.
	**ML-DSA-87**
	: Create a ML-DSA key pair using the **ML-DSA-87** parameter set.
	`,
	: Create an **RSA** key pair
	**ML-DSA-44**
	: Create an ML-DSA key pair using the **ML-DSA-44** parameter set.
	**ML-DSA-65**
	: Create an ML-DSA key pair using the **ML-DSA-65** parameter set.
	**ML-DSA-87**
	: Create an ML-DSA key pair using the **ML-DSA-87** parameter set.
	`,