`round_to_multiple_of`

Rounds the value to the nearest multiple. Takes a float greater than zero.

- platform: ...
  filters:
    - round_to_multiple_of: 10
    # 123 -> 120
    # 126 -> 130

- platform: ...
  filters:
    - round_to_multiple_of: 0.25
    # 3.1415 -> 3.25
    # 1.6180 -> 1.5