I happened to notice some jobs on main get canceled if another PR landed
before the prior commit on main had finished running CI. This is not
great for difftrain because the commit artifacts job relies on the CI
jobs on main finishing before it triggers. This would lead to commits
being skipped on DiffTrain which is not great for provenance since we
want it to be a 1:1 sync.
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[//]: # (BEGIN SAPLING FOOTER)
Stack created with [Sapling](https://sapling-scm.com). Best reviewed
with [ReviewStack](https://reviewstack.dev/facebook/react/pull/31296).
* #31297
* __->__ #31296
Quick change to standardize on a single timezone across all workflows
and to use the same version of node (18.20.1).
Also updates .nvmrc
ghstack-source-id: e1d43006ec
Pull Request resolved: https://github.com/facebook/react/pull/30323
- Made each workflow's name consistent
- Rename each workflow file with consistent naming scheme
- Promote flow-ci-ghaction to flow-ci
ghstack-source-id: 490b643dcd
Pull Request resolved: https://github.com/facebook/react/pull/30037