Add support for MLDSA keys (#631)

* WIP.

* WIP

* WIP Edit

* Key selection.

* WIP

* WIP

* Proxy through

* WIP

* Remove verify.

* Migration.

* Comment

* Add param

* Semi-offering key

* Ignore updates if test build.

* Fix rsa public key gen

* Messily fix RSA

* Remove 1024 bit rsa

* Cleanup

* Cleanup

* MLDSA warning.

* MLDSA working.

* Strings.

* Put back UI changes

Sources/Secretive/Preview Content/PreviewStore.swift

@@ -63,6 +63,8 @@ extension Preview {
         var supportedKeyTypes: [KeyType] {
             [
                 .init(algorithm: .ecdsa, size: 256),
+                .init(algorithm: .mldsa, size: 65),
+                .init(algorithm: .mldsa, size: 87),
             ]
         }