hotfix build docs + docker

[Borda]

What does this PR do?

Addressing issue on master:

Unable to connect to azure.archive.ubuntu.com:http: [IP: 52.252.75.106 80]

try to use: https://github.com/readthedocs/readthedocs-docker-images

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• Was this discussed/approved via a GitHub issue? (not for typos and docs)
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• Did you make sure to update the documentation with your changes? (if necessary)
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• Did you verify new and existing tests pass locally with your changes?
• Did you list all the breaking changes introduced by this pull request?
• Did you update the CHANGELOG? (not for typos, docs, test updates, or minor internal changes/refactors)

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Anyone in the community is welcome to review the PR.
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Did you have fun?

Make sure you had fun coding 🙃

cc @Borda @carmocca @akihironitta @tchaton

[github-actions]

⚡ Required checks status: All passing 🟢

Groups summary

🟢 pytorch_lightning: Docs

Check ID	Status
make-doctest (pytorch)	success	✅
make-html (pytorch)	success	✅

These checks are required after the changes to .github/workflows/docs-checks.yml.

🟢 pytorch_lightning: Docker

Check ID	Status
build-cuda (3.9, 1.10, 11.3.1)	success	✅
build-cuda (3.9, 1.11, 11.3.1)	success	✅
build-cuda (3.9, 1.12, 11.6.1)	success	✅
build-cuda (3.9, 1.13, 11.7.1)	success	✅
build-hpu (1.5.0, 1.11.0)	success	✅
build-ipu (3.9, 1.10)	success	✅
build-NGC	success	✅
build-pl (3.9, 1.10, 11.3.1)	success	✅
build-pl (3.9, 1.11, 11.3.1)	success	✅
build-pl (3.9, 1.12, 11.6.1)	success	✅
build-pl (3.9, 1.13, 11.7.1)	success	✅
build-xla (3.7, 1.12)	success	✅

These checks are required after the changes to dockers/base-cuda/Dockerfile, dockers/base-ipu/Dockerfile, dockers/base-xla/Dockerfile, dockers/ci-runner-hpu/Dockerfile, dockers/docs/Dockerfile.

🟢 lightning_app: Docs

Check ID	Status
make-doctest (app)	success	✅
make-html (app)	success	✅

These checks are required after the changes to .github/workflows/docs-checks.yml.

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Thank you for your contribution! 💜

Note
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[Borda]

Seems that the Azure mirrors are back up

[carmocca]

I'm still seeing issues. If these changes help, I suggest we merge them.

[Borda]

I'm still seeing issues. If these changes help, I suggest we merge them.

yes that is why I reopened it, but may need some more work... 🦦