compare field causing daprd panic

[ls-2018]

In what area(s)?
/area runtime

What version of Dapr?
1.5.0

Expected Behavior
create reminder success

Actual Behavior
dapr panic

Steps to Reproduce the Problem

client.py

data = {
    'Period': "5s",  # 0h30m0s
    'TTL': "30m",  # R5/PT30M  0h30m0s
    'DueTime': "30h",  # R5/PT30M  0h30m0s
    'Data': {},
}
res = requests.post('http://localhost:3500/v1.0/actors/actorType-a/actorId-a/reminders/demo', json.dumps(data))
print(res.text)

bug: /pkg/actors/actors: reminderRequiresUpdate

	data := `{
	"data":{
		"a":"b"
	}
}`
	var a = actors.Reminder{}
	json.Unmarshal([]byte(data), &a)
	var b = actors.CreateReminderRequest{}
	json.Unmarshal([]byte(data), &b)
	//panic: runtime error: comparing uncomparable type map[string]interface {}
	fmt.Println(reflect.DeepEqual(a.Data, b.Data))
	fmt.Println(a.Data == b.Data)