* Add refresh token to refresh-token request response This change addresses an issue reported in https://github.com/calcom/cal.com/issues/23939#issuecomment-3443480099 in which a new refresh token is not included in the OAuth2 refresh-token endpoint response. * Address failing type checks --------- Co-authored-by: Pallav <90088723+Pallava-Joshi@users.noreply.github.com>