Re-enable firestore integration tests (revert #27267)

[Abacn]

Fixes #25851

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[Abacn]

Run PostCommit_Java_Dataflow

[Abacn]

tests still failing with same reason

[Abacn]

Run PostCommit_Java_Dataflow

[Abacn]

Run PostCommit_Java_Dataflow

[Abacn]

Run Java_GCP_IO_Direct PreCommit

[Abacn]

Tests now passed after #27858

R: @pl04351820 @damondouglas

[github-actions]

Stopping reviewer notifications for this pull request: review requested by someone other than the bot, ceding control

[Abacn]

Old run of github action failure status (tests actually passed) due to #27854 unrelated

[Abacn]

Run PostCommit_Java_DataflowV2

[Abacn]

Run PostCommit_Java_DataflowV2

[bvolpato]

Errors are all setup-based

Can't find 'action.yml', 'action.yaml' or 'Dockerfile' under '/runner/_work/beam/beam/.github/actions/setup-action'. Did you forget to run actions/checkout before running your local action?