Missing addition for TimedeltaSeries plus TimestampSeries

[Dr-Irv]

Describe the bug
We pick up TimestampSeries + TimedeltaSeries, but not the reverse.

To Reproduce

import pandas as pd

tds = pd.Series(pd.timedelta_range(start="1 day", periods=10))
tss = pd.Series(pd.date_range(start="2012-01-01", periods=10, freq="W-MON"))

plus= tds + tss
plus2 = tss + tds

The line with plus = tds + tss fails with pyright:

tdts.py:6:7 - error: Operator "+" not supported for types "TimedeltaSeries" and "TimestampSeries"
    Operator "+" not supported for types "TimedeltaSeries" and "TimestampSeries" (reportGeneralTypeIssues)

But the line with plus2 = tss + tds works.

Please complete the following information:

• OS: Windows 10
• python version: 3.9
• pyright 1.1.283
• version of installed pandas-stubs 1.5.2.221124

Additional context
Need to add TimestampSeries to the argument list here:

pandas-stubs/pandas-stubs/core/series.pyi

Line 1776 in 58416f2

def __add__(self, other: Timestamp | DatetimeIndex) -> TimestampSeries: ...