Update pytorch-lightning requirement from ~=1.6.5 to ~=1.9.4

[dependabot[bot]]

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

Release notes

Sourced from pytorch-lightning's releases.

Weekly patch release

App

Removed

• Removed implicit ui testing with testing.run_app_in_cloud in favor of headless login and app selection (#16741)

---

Fabric

Added

• Added Fabric(strategy="auto") support (#16916)

Fixed

• Fixed edge cases in parsing device ids using NVML (#16795)
• Fixed DDP spawn hang on TPU Pods (#16844)
• Fixed an error when passing find_usable_cuda_devices(num_devices=-1) (#16866)

---

PyTorch

Added

• Added Fabric(strategy="auto") support. It will choose DDP over DDP-spawn, contrary to strategy=None (default) (#16916)

Fixed

• Fixed DDP spawn hang on TPU Pods (#16844)
• Fixed edge cases in parsing device ids using NVML (#16795)
• Fixed backwards compatibility for lightning.pytorch.utilities.parsing.get_init_args (#16851)

---

Contributors

@​ethanwharris, @​carmocca, @​awaelchli, @​justusschock , @​dtuit, @​Liyang90

If we forgot someone due to not matching commit email with GitHub account, let us know :]

Commits

• 3bee819 Add strategy="auto" support on the 1.9.x branch (#16916)
• 8e55ff7 [App] Fix environment check with command redirection (#16883)
• d4c5ff3 [App] Add support for plugins to return actions (#16832)
• 3a7598d Backwards compatibility for get_init_args (#16851)
• 6822960 Fix support for passing -1 to find_usable_cuda_devices function (#16866)
• b0c7908 Incorporate pytorch's fixes in device_count_nvml #16795
• 058dd9f Fix imports for lightning cli examples (#16871)
• 5c3de46 Fix for hanging issue on TPU Pod (#16844)
• f80f2f9 Remove implicit frontend testing from testing.run_app_in_cloud (#16741)
• ca69825 [App] Fix local app run with relative import (#16835)
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR: - `@dependabot rebase` will rebase this PR - `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it - `@dependabot merge` will merge this PR after your CI passes on it - `@dependabot squash and merge` will squash and merge this PR after your CI passes on it - `@dependabot cancel merge` will cancel a previously requested merge and block automerging - `@dependabot reopen` will reopen this PR if it is closed - `@dependabot close` will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually - `@dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)

[dependabot[bot]]

OK, I won't notify you again about this release, but will get in touch when a new version is available. If you'd rather skip all updates until the next major or minor version, let me know by commenting @dependabot ignore this major version or @dependabot ignore this minor version. You can also ignore all major, minor, or patch releases for a dependency by adding an ignore condition with the desired update_types to your config file.

If you change your mind, just re-open this PR and I'll resolve any conflicts on it.