Dacpac Dialog logic blocks valid `1.1` version

Can you double-check this validation with @llali?  At the very least, I know `1.1` is also valid (but just `1` is not, nor is `1.1.1.1.1.1.1.1.1.1.1.1`)

_Originally posted by @Benjin in https://github.com/microsoft/vscode-mssql/pull/20505#discussion_r2511570564_
            