fabric: list hydra in optional extra

[Borda]

What does this PR do?

fabric has optional hydra import but never mentioned inn dependencies, so adding extra the same way as pytorch

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📚 Documentation preview 📚: https://pytorch-lightning--21165.org.readthedocs.build/en/21165/

[github-actions]

⚡ Required checks status: All passing 🟢

Groups summary

🟢 pytorch_lightning: Tests workflow

Check ID	Status
pl-cpu-guardian	success	✅

These checks are required after the changes to requirements/fabric/extra.txt, src/lightning_fabric/__setup__.py.

🟢 pytorch_lightning: Azure GPU

Check ID	Status
pytorch-lightning (GPUs) (testing Lightning | latest)	success	✅
pytorch-lightning (GPUs) (testing PyTorch | oldest)	success	✅
pytorch-lightning (GPUs) (testing PyTorch | latest)	success	✅

These checks are required after the changes to src/lightning/__setup__.py, requirements/fabric/extra.txt, src/lightning_fabric/__setup__.py.

🟢 pytorch_lightning: Benchmarks

Check ID	Status
lightning.Benchmarks	success	✅

These checks are required after the changes to requirements/fabric/extra.txt.

🟢 fabric: Docs

Check ID	Status
docs-make (fabric, doctest)	success	✅
docs-make (fabric, html)	success	✅

These checks are required after the changes to src/lightning_fabric/__setup__.py, requirements/fabric/extra.txt.

🟢 pytorch_lightning: Docker

Check ID	Status
build-cuda (3.10, 2.1.2, 12.1.1)	success	✅
build-cuda (3.11, 2.2.2, 12.1.1)	success	✅
build-cuda (3.11, 2.3.1, 12.1.1)	success	✅
build-cuda (3.11, 2.4.1, 12.1.1)	success	✅
build-cuda (3.12, 2.5.1, 12.1.1)	success	✅
build-cuda (3.12, 2.6.0, 12.4.1)	success	✅
build-pl (3.10, 2.1, 12.1.1)	success	✅
build-pl (3.11, 2.2, 12.1.1)	success	✅
build-pl (3.11, 2.3, 12.1.1)	success	✅
build-pl (3.11, 2.4, 12.1.1)	success	✅
build-pl (3.12, 2.5, 12.1.1)	success	✅
build-pl (3.12, 2.6, 12.4.1)	success	✅
build-pl (3.12, 2.7, 12.6.3)	success	✅
build-pl (3.12, 2.8, 12.6.3, true)	success	✅

These checks are required after the changes to requirements/fabric/extra.txt.

🟢 lightning_fabric: CPU workflow

Check ID	Status
fabric-cpu-guardian	success	✅

These checks are required after the changes to requirements/fabric/extra.txt, src/lightning_fabric/__setup__.py.

🟢 lightning_fabric: Azure GPU

Check ID	Status
lightning-fabric (GPUs) (testing Fabric | oldest)	success	✅
lightning-fabric (GPUs) (testing Fabric | latest)	success	✅
lightning-fabric (GPUs) (testing Lightning | latest)	success	✅

These checks are required after the changes to requirements/fabric/extra.txt, src/lightning/__setup__.py, src/lightning_fabric/__setup__.py.

🟢 mypy

Check ID	Status
mypy	success	✅

These checks are required after the changes to requirements/fabric/extra.txt, src/lightning/__setup__.py, src/lightning_fabric/__setup__.py.

🟢 install

Check ID	Status
install-pkg-guardian	success	✅

These checks are required after the changes to src/lightning/__setup__.py, src/lightning_fabric/__setup__.py, requirements/fabric/extra.txt.

---

Thank you for your contribution! 💜

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[codecov]

Codecov Report

❌ Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 87%. Comparing base (f1b413e) to head (5fe1caa).
⚠️ Report is 2 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master   #21165   +/-   ##
=======================================
  Coverage      87%      87%           
=======================================
  Files         269      269           
  Lines       23656    23656           
=======================================
+ Hits        20633    20636    +3     
+ Misses       3023     3020    -3