build(deps): update pytorch-lightning requirement from <2.1.0,>=1.4 to >=1.4,<2.3.0 in /_requirements

[dependabot[bot]]

Updates the requirements on pytorch-lightning to permit the latest version.

Release notes

Sourced from pytorch-lightning's releases.

Minor release correction

Full Changelog: https://github.com/Lightning-AI/pytorch-lightning/compare/2.2.0...2.2.0.post0

Commits

• e1e8770 releasing 2.2.0.post0
• 1f3614d Rename Lightning Fabric CLI (#19442)
• 91d12a0 bugfix: skip write index.json if no data is wrote. (#19439)
• 16bd042 Rename Lightning App CLI (#19440)
• 0574ff0 bugfix: correct node rank (#19437)
• 4284762 Fix import error when running examples in fresh environment (#19431)
• 0de52d1 Add DNS optimize support (#19429)
• 452f434 Lightning Data: Refactor files (#19424)
• 8aad87e doc: patch bad link
• bc56630 Release Lightning 2.2 (#19399)
• Additional commits viewable in compare view

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