[SPARK-46955][PS] Implement Frame.to_stata

[zhengruifeng]

What changes were proposed in this pull request?

Implement Frame.to_stata

Why are the changes needed?

for Pandas parity

Does this PR introduce any user-facing change?

yes

In [5]: df = pd.DataFrame({'animal': ['falcon', 'parrot', 'falcon', 'parrot'], 'speed': [350, 18, 361, 15]})

In [6]: psdf = ps.from_pandas(df)

In [7]: df.to_stata('/tmp/animals_1.dta')

In [8]: psdf.to_stata('/tmp/animals_2.dta')

In [9]: pd.read_stata('/tmp/animals_1.dta')
Out[9]:
   index  animal  speed
0      0  falcon    350
1      1  parrot     18
2      2  falcon    361
3      3  parrot     15

In [10]: pd.read_stata('/tmp/animals_2.dta')
Out[10]:
   index  animal  speed
0      0  falcon    350
1      1  parrot     18
2      2  falcon    361
3      3  parrot     15

How was this patch tested?

added ut

Was this patch authored or co-authored using generative AI tooling?

no

[zhengruifeng]

merged to master