Fix dataframe column name in doc strings

[jseldess]

Problem

The dataframe column is values, not vectors.

from pinecone import Pinecone, ServerlessSpec
from pinecone_datasets import list_datasets, load_dataset

pc = Pinecone(api_key="xxx")

dataset = load_dataset("quora_all-MiniLM-L6-bm25")

print(dataset.head())

  id                                             values  \
0  1  [0.06814987, -0.039664183, -0.06096721, 0.0074...
1  2  [0.08983771, -0.03493085, -0.057357617, 0.0222...
2  3  [-0.046798065, 0.1551149, -0.03920019, 0.04878...
3  4  [-0.077349104, 0.14786911, -0.0128817065, -0.0...
4  5  [-0.028324936, 0.037209604, -0.00040033547, 0....

                                       sparse_values metadata  \
0  {'indices': [7096, 8508, 13677, 23041, 24734, ...     None
1  {'indices': [7096, 8508, 13677, 24734, 26026, ...     None
2  {'indices': [6065, 13677, 17109, 20780, 24734,...     None
3  {'indices': [2408, 6065, 7582, 12225, 17109, 2...     None
4  {'indices': [5388, 12812, 18181, 19960, 20780,...     None

                                                blob
0  {'text': ' What is the step by step guide to i...
1  {'text': ' What is the step by step guide to i...
2  {'text': ' What is the story of Kohinoor (Koh-...
3  {'text': ' What would happen if the Indian gov...
4  {'text': ' How can I increase the speed of my ...

Solution

Fixed the column name.

Closes: #374

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update
• Infrastructure change (CI configs, etc)
• Non-code change (docs, etc)
• None of the above: (explain here)

Test Plan

Describe specific steps for validating this change.

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