Change google_cloud_bigdataoss_version to 2.2.8.

[scwhittle]

Fixes #21492

This release includes https://github.com/GoogleCloudDataproc/hadoop-connectors/pull/865 which fixes https://github.com/google/conscrypt/issues/864 .

---

Thank you for your contribution! Follow this checklist to help us incorporate your contribution quickly and easily:

• [ ] Choose reviewer(s) and mention them in a comment (R: @username).
• [ ] Mention the appropriate issue in your description (for example: addresses #123), if applicable. This will automatically add a link to the pull request in the issue. If you would like the issue to automatically close on merging the pull request, comment fixes #<ISSUE NUMBER> instead.
• [ ] Update CHANGES.md with noteworthy changes.
• [ ] If this contribution is large, please file an Apache Individual Contributor License Agreement.

See the Contributor Guide for more tips on how to make review process smoother.

To check the build health, please visit https://github.com/apache/beam/blob/master/.test-infra/BUILD_STATUS.md

GitHub Actions Tests Status (on master branch)

See CI.md for more information about GitHub Actions CI.

[codecov[bot]]

Codecov Report

Merging #23300 (d01e658) into master (d578e3d) will decrease coverage by 0.01%. The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #23300      +/-   ##
==========================================
- Coverage   73.43%   73.41%   -0.02%     
==========================================
  Files         718      718              
  Lines       95620    95620              
==========================================
- Hits        70214    70201      -13     
- Misses      24095    24108      +13     
  Partials     1311     1311              

Flag	Coverage Δ
python	83.18% <ø> (-0.02%)	:arrow_down:

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
sdks/python/apache_beam/utils/interactive_utils.py	95.12% <0.00%> (-2.44%)	:arrow_down:
...ks/python/apache_beam/runners/worker/data_plane.py	87.57% <0.00%> (-1.70%)	:arrow_down:
.../python/apache_beam/transforms/periodicsequence.py	98.38% <0.00%> (-1.62%)	:arrow_down:
...eam/runners/portability/fn_api_runner/execution.py	92.44% <0.00%> (-0.65%)	:arrow_down:
...eam/runners/interactive/interactive_environment.py	91.71% <0.00%> (-0.31%)	:arrow_down:
...ks/python/apache_beam/runners/worker/sdk_worker.py	88.94% <0.00%> (-0.16%)	:arrow_down:
...hon/apache_beam/runners/worker/bundle_processor.py	93.54% <0.00%> (-0.13%)	:arrow_down:
sdks/python/apache_beam/runners/direct/executor.py	97.01% <0.00%> (+0.54%)	:arrow_up:

:mega: We’re building smart automated test selection to slash your CI/CD build times. Learn more

[github-actions[bot]]

Assigning reviewers. If you would like to opt out of this review, comment assign to next reviewer:

R: @Abacn for label build.

Available commands:

• stop reviewer notifications - opt out of the automated review tooling
• remind me after tests pass - tag the comment author after tests pass
• waiting on author - shift the attention set back to the author (any comment or push by the author will return the attention set to the reviewers)

The PR bot will only process comments in the main thread (not review comments).

[scwhittle]

Closing/reopening to retrigger checks since failures seemed unrelated

[Abacn]

Run Java PreCommit

[scwhittle]

Run Java PreCommit

[scwhittle]

@Abacn Tests are green now (unrelated flakes)

[Abacn]

Thanks, LGTM

[github-actions[bot]]

R: @damccorm for final approval