chore(deps): bump pyarrow from 12.0.1 to 14.0.1 in /samples/snippets (#696)

* chore(deps): bump pyarrow from 12.0.1 to 14.0.1 in /samples/snippets

Bumps [pyarrow](https://github.com/apache/arrow) from 12.0.1 to 14.0.1.
- [Commits](apache/arrow@go/v12.0.1...apache-arrow-14.0.1)

---
updated-dependencies:
- dependency-name: pyarrow
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

* Update requirements.txt

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Lingqing Gan <[email protected]>

Author: dependabot[bot]

samples/snippets/requirements.txt

@@ -3,4 +3,5 @@ google-cloud-bigquery==3.11.4
 pandas-gbq==0.19.2
 pandas===1.3.5; python_version == '3.7'
 pandas==2.0.3; python_version >= '3.8'
-pyarrow==12.0.1
+pyarrow==12.0.1; python_version == '3.7'
+pyarrow==14.0.1; python_version >= '3.8'