Bump pillow to 12.3.0 (fixes 5 Dependabot alerts)

[alexlib]

Summary

• Bumps pillow 12.1.1 → 12.3.0 via poetry update pillow
• Resolves 5 open Dependabot alerts on poetry.lock:
  • updated gh-pages to be created using the OpenPTV example of two directories #30 GHSA-jjj6-mw9f-p565 / CVE-2026-59200 (high) — decompression bomb DoS in PdfParser
  • ImportError: No module named progressbar #29 GHSA-fj7v-r99m-22gq / CVE-2026-59198 (medium) — TGA RLE encoder heap data leak
  • OpenPIV not working for those images #26 GHSA-xj96-63gp-2gmr / CVE-2026-59197 (high) — heap OOB write in ImageFilter.RankFilter
  • Boolean evaluation of an array #25 GHSA-6r8x-57c9-28j4 / CVE-2026-59199 (high) — heap OOB write in Image.paste()/Image.crop()
  • Reconstruction #24 GHSA-4x4j-2g7c-83w6 / CVE-2026-55798 (medium) — OS command injection in WindowsViewer.get_command()

Test plan

• poetry update pillow resolves cleanly, diff limited to pillow only
• CI passes

🤖 Generated with Claude Code

https://claude.ai/code/session_0163Gg9kDxMiar8Nbcx25q8J

Summary by Sourcery

Update dependency versions to address security alerts in the lockfile.

Build:

• Bump pillow dependency version in poetry.lock to 12.3.0.

Chores:

• Resolve multiple Dependabot security alerts related to the pillow library.

[Copilot]

Copilot wasn't able to review any files in this pull request.

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

This PR updates the pinned Pillow dependency in poetry.lock to version 12.3.0, refreshing the lockfile entries for that package and thereby resolving multiple Dependabot security alerts tied to the previous Pillow version.

File-Level Changes

Change	Details	Files
Update Pillow dependency to 12.3.0 in the lockfile to address multiple security advisories.	Change the locked Pillow version from 12.1.1 to 12.3.0. Refresh Pillow’s lockfile metadata (hashes, markers, and related fields) via poetry update pillow. Ensure the poetry.lock diff is limited to Pillow-related entries, with no other dependencies modified.	poetry.lock

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[sourcery-ai]

Hey - I've reviewed your changes and they look great!

Fixed security issues:

• pillow (link)

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