chore(deps): Bump pandas from 2.2.3 to 2.3.3 in /backend

[dependabot]

Bumps pandas from 2.2.3 to 2.3.3.

Release notes

Sourced from pandas's releases.

Pandas 2.3.3

We are pleased to announce the release of pandas 2.3.3. This release includes some improvements and fixes to the future string data type (preview feature for the upcoming pandas 3.0). We recommend that all users upgrade to this version.

See the full whatsnew for a list of all the changes. Pandas 2.3.3 supports Python 3.9 and higher, and is the first release to support Python 3.14.

The release will be available on the conda-forge channel:

conda install pandas --channel conda-forge

Or via PyPI:

python3 -m pip install --upgrade pandas

Please report any issues with the release on the pandas issue tracker.

Thanks to all the contributors who made this release possible.

Pandas 2.3.2

We are pleased to announce the release of pandas 2.3.2. This release includes some improvements and fixes to the future string data type (preview feature for the upcoming pandas 3.0). We recommend that all users upgrade to this version.

See the full whatsnew for a list of all the changes. Pandas 2.3.2 supports Python 3.9 and higher.

The release will be available on the conda-forge channel:

conda install pandas --channel conda-forge

Or via PyPI:

python3 -m pip install --upgrade pandas

Please report any issues with the release on the pandas issue tracker.

Thanks to all the contributors who made this release possible.

Pandas 2.3.1

We are pleased to announce the release of pandas 2.3.1. This release includes some improvements and fixes to the future string data type (preview feature for the upcoming pandas 3.0). We recommend that all users upgrade to this version.

See the full whatsnew for a list of all the changes. Pandas 2.3.1 supports Python 3.9 and higher.

The release will be available on the conda-forge channel:

conda install pandas --channel conda-forge

Or via PyPI:

... (truncated)

Commits

• 9c8bc3e RLS: 2.3.3
• 6aa788a [backport 2.3.x] DOC: prepare 2.3.3 whatsnew notes for release (#62499) (#62508)
• b64f0df [backport 2.3.x] BUG: avoid validation error for ufunc with string[python] ar...
• 058eb2b [backport 2.3.x] BUG: String[pyarrow] comparison with mixed object (#62424) (...
• 2ca088d [backport 2.3.x] DEPR: remove the Period resampling deprecation (#62480) (#62...
• 92bf98f [backport 2.3.x] BUG: fix .str.isdigit to honor unicode superscript for older...
• e57c7d6 Backport PR #62452 on branch 2.3.x (TST: Adjust tests for numexpr 2.13) (#62454)
• e0fe9a0 Backport to 2.3.x: REGR: from_records not initializing subclasses properly (#...
• 23a1085 BUG: improve future warning for boolean operations with missaligned indexes (...
• 6113696 Backport PR #62396 on branch 2.3.x (PKG/DOC: indicate Python 3.14 support in ...
• Additional commits viewable in compare view

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Summary by cubic

Upgrade pandas from 2.2.3 to 2.3.3 in the backend to pick up bug fixes (including string dtype improvements) and Python 3.14 support. Also bump pandas-stubs to 2.3.3 in dev and update requirements/default.txt, requirements/dev.txt, and pyproject.toml; no code changes.

^{Written for commit 64d4f97. Summary will update on new commits.}

Note
Automatic rebases have been disabled on this pull request as it has been open for over 30 days.

[greptile-apps]

Greptile Overview

Greptile Summary

This PR upgrades pandas from 2.2.3 to 2.3.3 across both backend requirement files. Pandas is a transitive dependency (required by markitdown, datasets, and evaluate) and not directly used by Onyx application code.

Key changes in pandas 2.3.x:

• Improvements and fixes to the future string data type (preview feature for pandas 3.0)
• Python 3.14 support (2.3.3 is the first pandas release to support Python 3.14)
• No breaking changes affecting this codebase

This is a safe maintenance upgrade with no compatibility concerns for the current codebase, as pandas is not directly imported or used by Onyx application code.

Confidence Score: 5/5

• This PR is safe to merge with no risk
• This is a routine dependency bump for pandas (2.2.3 to 2.3.3), which is only a transitive dependency. The upgrade includes bug fixes and improvements to preview features with no breaking changes. Pandas is not directly used by the Onyx application code, reducing the risk of compatibility issues. The version bump is minor and follows semantic versioning.
• No files require special attention

Important Files Changed

File Analysis

Filename	Score	Overview
backend/requirements/default.txt	5/5	Updated pandas from 2.2.3 to 2.3.3 as a transitive dependency of markitdown
backend/requirements/model_server.txt	5/5	Updated pandas from 2.2.3 to 2.3.3 as a transitive dependency of datasets and evaluate

Sequence Diagram

sequenceDiagram
    participant D as Dependabot
    participant R as Requirements Files
    participant M as markitdown
    participant DS as datasets/evaluate
    participant P as pandas

    D->>R: Detect pandas 2.2.3→2.3.3 update
    R->>M: backend/requirements/default.txt
    M->>P: Requires pandas 2.3.3
    R->>DS: backend/requirements/model_server.txt
    DS->>P: Requires pandas 2.3.3
    Note over P: Version 2.3.3 includes:<br/>- String data type improvements<br/>- Python 3.14 support<br/>- Bug fixes

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