## Bug description

*Please describe.*  
*If this affects the front-end, screenshots would be of great help.*  

funnels -> select two steps for the funnel -> historical view

This is because we're not passing in a year to dayjs so it defaults to 2001

<img width="592" alt="Screen Shot 2021-07-14 at 1 39 47 PM" src="https://user-images.githubusercontent.com/25164963/125667575-5f8c2450-5998-4602-8a36-f886c1c786c5.png">


## Expected behavior



## How to reproduce

1.
2.
3.

## Environment

- [ ] PostHog Cloud
- [ ] self-hosted PostHog, version/commit: _please provide_

## Additional context



#### *Thank you* for your bug report – we love squashing them!

ee/clickhouse/queries/funnels/test/test_funnel_trends.py
now = datetime.now()
        _create_person(distinct_ids=["user_eight"], team=self.team)
        _create_event(event="step one", distinct_id="user_eight", team=self.team, timestamp=now.strftime(FORMAT_TIME))
        _create_event(
            event="step two",
            distinct_id="user_eight",
            team=self.team,
            timestamp=(now + timedelta(minutes=1)).strftime(FORMAT_TIME),
        )
        _create_event(
            event="step three",
            distinct_id="user_eight",
            team=self.team,
            timestamp=(now + timedelta(minutes=2)).strftime(FORMAT_TIME),
        )
        filter = Filter(
            data={
                "insight": INSIGHT_FUNNELS,
                "display": TRENDS_LINEAR,
                "interval": "day",