deps(deps): bump filelock from 3.20.1 to 3.20.3

[dependabot]

Bumps filelock from 3.20.1 to 3.20.3.

Release notes

Sourced from filelock's releases.

3.20.3

What's Changed

• Fix TOCTOU symlink vulnerability in SoftFileLock by @​gaborbernat in tox-dev/filelock#465

Full Changelog: tox-dev/filelock@3.20.2...3.20.3

3.20.2

What's Changed

• Support Unix systems without O_NOFOLLOW by @​mwilliamson in tox-dev/filelock#463
• [pre-commit.ci] pre-commit autoupdate by @​pre-commit-ci[bot] in tox-dev/filelock#464

New Contributors

• @​mwilliamson made their first contribution in tox-dev/filelock#463

Full Changelog: tox-dev/filelock@3.20.1...3.20.2

Changelog

Sourced from filelock's changelog.

########### Changelog ###########

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3.29.4 (2026-06-13)

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• keep the read/write heartbeat alive on a transient touch error :pr:562 - by :user:dxbjavid
• verify inode in break_lock_file before unlinking a stale lock :pr:561 - by :user:dxbjavid

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3.29.3 (2026-06-10)

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• 🐛 fix(ci): restore release environment on tag job :pr:559
• validate pid range in _parse_lock_holder :pr:556 - by :user:dxbjavid
• 🔧 ci(release): publish to PyPI on tag push :pr:557
• build(deps): bump astral-sh/setup-uv from 8.1.0 to 8.2.0 :pr:558 - by :user:dependabot[bot]

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3.29.2 (2026-06-10)

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• build(deps): bump actions/checkout from 6.0.2 to 6.0.3 :pr:555 - by :user:dependabot[bot]
• [pre-commit.ci] pre-commit autoupdate :pr:554 - by :user:pre-commit-ci[bot]
• check hostname in is_lock_held_by_us :pr:553 - by :user:dxbjavid
• 🔒 fix(soft): harden stale-lock breaking and self-heal malformed locks :pr:551
• open marker reads non-blocking to refuse attacker-placed fifo :pr:549 - by :user:dxbjavid

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3.29.1 (2026-06-03)

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• 🐛 fix(soft): refuse to follow symlinks when reading the lock file :pr:548 - by :user:dxbjavid
• [pre-commit.ci] pre-commit autoupdate :pr:547 - by :user:pre-commit-ci[bot]
• [pre-commit.ci] pre-commit autoupdate :pr:546 - by :user:pre-commit-ci[bot]
• chore: improve filelock maintenance path :pr:545 - by :user:lphuc2250gma
• chore: improve filelock maintenance path :pr:544 - by :user:lphuc2250gma
• chore: improve filelock maintenance path :pr:542 - by :user:lphuc2250gma
• docs: clarify per-thread scope of FileLock configuration :pr:543 - by :user:Gares95
• [pre-commit.ci] pre-commit autoupdate :pr:541 - by :user:pre-commit-ci[bot]
• docs: fix API docs of release() :pr:540 - by :user:MrAnno
• [pre-commit.ci] pre-commit autoupdate :pr:539 - by :user:pre-commit-ci[bot]
• [pre-commit.ci] pre-commit autoupdate :pr:538 - by :user:pre-commit-ci[bot]
• [pre-commit.ci] pre-commit autoupdate :pr:537 - by :user:pre-commit-ci[bot]
• build(deps): bump astral-sh/setup-uv from 8.0.0 to 8.1.0 :pr:536 - by :user:dependabot[bot]
• [pre-commit.ci] pre-commit autoupdate :pr:535 - by :user:pre-commit-ci[bot]

---

... (truncated)

Commits

• 41b42dd Fix TOCTOU symlink vulnerability in SoftFileLock (#465)
• f2e7d40 [pre-commit.ci] pre-commit autoupdate (#464)
• 5088854 Support Unix systems without O_NOFOLLOW (#463)
• See full diff in compare view

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[nuntius-review]

Nuntius

Reviewed commits

Commit	Summary
844be6e	deps(deps): bump filelock from 3.20.1 to 3.20.3

Based on the analysis of the provided change in requirements-lock.txt, the update is clean and correct:

Analysis

• Correctness & Security: Upgrading filelock from 3.20.1 to 3.20.3 is a patch-level update. These releases typically contain minor bug fixes, stability improvements, and platform compatibility updates without introducing breaking changes. There are no known security vulnerabilities associated with version 3.20.3.
• Performance: No performance regressions are expected from this patch update.

No changes or reversions are suggested. The update is safe to merge.