Given a binary array nums, return the maximum number of consecutive 1's in the array.

  Example 1:

Input: nums = [1,1,0,1,1,1] Output: 3 Explanation: The first two digits or the last three digits are consecutive 1s. The maximum number of consecutive 1s is 3.

Example 2:

Input: nums = [1,0,1,1,0,1] Output: 2

  Constraints:

1 <= nums.length <= 10⁵
nums[i] is either 0 or 1.