chore(auth): Normalize totp config

Author: dschom

packages/fxa-auth-server/config/index.ts

@@ -2676,15 +2676,15 @@ const convictConf = convict({
       },
       step: {
         // The time interval to use. In this case 1 second
-        default: 1,
+        default: 5 * 60,
         doc: 'Overrides step otp options',
         format: Number,
         env: 'MFA__OTP__STEP',
       },
       window: {
         // Number of steps contained in the window. In this case
         // 5 minutes worth of steps
-        default: 5 * 60,
+        default: 1,
         doc: 'Overrides window otp options',
         format: Number,
         env: 'MFA__OTP__WINDOW',