### Description

The date_xxx() arguments have been swapped to always have the field parameter last. This has been done to align with other implementations of similar functionality (which users would be accustomed to).
This issue is a reminder to remove this warning once any existing usages have been corrected.

Related: #98624, #99561.
x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/expression/function/scalar/date/BinaryDateTimeFunction.java
protected static final ZoneId DEFAULT_TZ = ZoneOffset.UTC;
    private final ZoneId zoneId;
    protected BinaryDateTimeFunction(Source source, Expression argument, Expression timestamp) {
        super(source, argument, timestamp);
        zoneId = DEFAULT_TZ;
    }
    @Override
    public DataType dataType() {
        return DataTypes.DATETIME;
    }
    public Expression timestampField() {
        return right();
    }
    public ZoneId zoneId() {
        return zoneId;
    }
    @Override