Stim only supports Pauli noises like DEPOLARIZE1, DEPOLARIZE2, X_ERROR, Z_ERROR. Given $T_1$, $T_2$ values of qubits, how would I adjust a stim circuit file to reflect these? For instance, we might have qubits with different $T_1$ and $T_2$ values. How would I decide the magnitudes of the DEPOLARIZE1 errors on them when they are idle?

We've read the post Incorporating idling errors while using stim, but a more detailed explanation would be helpful.