feat: implement register Passkey user API v2 (#5873)

* command/crypto: DRY the code

- reuse the the algorithm switch to create a secret generator
- add a verifyCryptoCode function

* command: crypto code tests

* migrate webauthn package

* finish integration tests with webauthn mock client

internal/domain/url_template.go

@@ -0,0 +1,19 @@
+package domain
+
+import (
+	"io"
+	"text/template"
+
+	caos_errs "github.com/zitadel/zitadel/internal/errors"
+)
+
+func renderURLTemplate(w io.Writer, tmpl string, data any) error {
+	parsed, err := template.New("").Parse(tmpl)
+	if err != nil {
+		return caos_errs.ThrowInvalidArgument(err, "DOMAIN-oGh5e", "Errors.User.InvalidURLTemplate")
+	}
+	if err = parsed.Execute(w, data); err != nil {
+		return caos_errs.ThrowInvalidArgument(err, "DOMAIN-ieYa7", "Errors.User.InvalidURLTemplate")
+	}
+	return nil
+}