Avoid installation of backports.zstd on Python 3.14 in linting deps

[seifertm]

What do these changes do?

Avoid installation of backports.zstd in lint.in on Python 3.14 and newer.

Otherwise, make test results in the following error message:

ERROR: Ignored the following versions that require a different python version: 0.1.0 Requires-Python >=3.13,<3.14; 0.2.0 Requires-Python >=3.10,<3.14; 0.3.0 Requires-Python >=3.9,<3.14; 0.4.0 Requires-Python >=3.9,<3.14; 0.5.0 Requires-Python >=3.9,<3.14; 1.0.0 Requires-Python >=3.9,<3.14; 1.1.0 Requires-Python >=3.9,<3.14; 1.2.0 Requires-Python >=3.9,<3.14; 1.3.0 Requires-Python >=3.9,<3.14
ERROR: Could not find a version that satisfies the requirement backports.zstd (from versions: none)
ERROR: No matching distribution found for backports.zstd

Are there changes in behavior for the user?

No

Is it a substantial burden for the maintainers to support this?

No

Related issue number

N/A

Checklist

• I think the code is well written
• Unit tests for the changes exist
• Documentation reflects the changes
• If you provide code modification, please add yourself to CONTRIBUTORS.txt
  • The format is <Name> <Surname>.
  • Please keep alphabetical order, the file is sorted by names.
• Add a new news fragment into the CHANGES/ folder

  • name it <issue_or_pr_num>.<type>.rst (e.g. 588.bugfix.rst)

  • if you don't have an issue number, change it to the pull request
    number after creating the PR

    • .bugfix: A bug fix for something the maintainers deemed an
      improper undesired behavior that got corrected to match
      pre-agreed expectations.
    • .feature: A new behavior, public APIs. That sort of stuff.
    • .deprecation: A declaration of future API removals and breaking
      changes in behavior.
    • .breaking: When something public is removed in a breaking way.
      Could be deprecated in an earlier release.
    • .doc: Notable updates to the documentation structure or build
      process.
    • .packaging: Notes for downstreams about unobvious side effects
      and tooling. Changes in the test invocation considerations and
      runtime assumptions.
    • .contrib: Stuff that affects the contributor experience. e.g.
      Running tests, building the docs, setting up the development
      environment.
    • .misc: Changes that are hard to assign to any of the above
      categories.

  • Make sure to use full sentences with correct case and punctuation,
    for example:

    Fixed issue with non-ascii contents in doctest text files
    -- by :user:`contributor-gh-handle`.

    Use the past tense or the present tense a non-imperative mood,
    referring to what's changed compared to the last released version
    of this project.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.92%. Comparing base (129ef25) to head (51f7f09).
⚠️ Report is 2 commits behind head on master.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##           master   #12406   +/-   ##
=======================================
  Coverage   98.92%   98.92%           
=======================================
  Files         134      134           
  Lines       46741    46741           
  Branches     2429     2429           
=======================================
  Hits        46239    46239           
  Misses        373      373           
  Partials      129      129           

Flag	Coverage Δ
CI-GHA	98.98% <ø> (ø)
OS-Linux	98.72% <ø> (-0.01%)	⬇️
OS-Windows	96.98% <ø> (ø)
OS-macOS	97.88% <ø> (-0.01%)	⬇️
Py-3.10.11	97.39% <ø> (ø)
Py-3.10.20	97.86% <ø> (-0.01%)	⬇️
Py-3.11.15	98.11% <ø> (-0.01%)	⬇️
Py-3.11.9	97.65% <ø> (-0.01%)	⬇️
Py-3.12.10	97.74% <ø> (+<0.01%)	⬆️
Py-3.12.13	98.20% <ø> (-0.01%)	⬇️
Py-3.13.13	98.45% <ø> (+<0.01%)	⬆️
Py-3.14.4	98.51% <ø> (+<0.01%)	⬆️
Py-3.14.4t	97.51% <ø> (ø)
Py-pypy3.11.15-7.3.21	97.35% <ø> (ø)
VM-macos	97.88% <ø> (-0.01%)	⬇️
VM-ubuntu	98.72% <ø> (-0.01%)	⬇️
VM-windows	96.98% <ø> (ø)
cython-coverage	38.08% <ø> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

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[codspeed-hq]

Merging this PR will not alter performance

✅ 67 untouched benchmarks
⏩ 4 skipped benchmarks¹

---

_{Comparing seifertm:add-python-version-constraint-to-lint-backports.zstd (51f7f09) with master (129ef25)²}

Footnotes

1. 4 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

2. No successful run was found on master (dbb9a14) during the generation of this report, so 129ef25 was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩

[patchback]

Backport to 3.14: 💚 backport PR created

✅ Backport PR branch: patchback/backports/3.14/b0601d64c65b1f7ac4823e3c6ef630bc4e0b8890/pr-12406

Backported as #12407

🤖 @patchback
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