add jdkAddOpenModules for Dataflow V2

[aIbrahiim]

Fixes: #39274

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[gemini-code-assist]

Summary of Changes

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This pull request updates the Dataflow V2 runner configuration to include necessary JDK module access flags, specifically opening java.nio to all unnamed modules. This change is intended to resolve compatibility issues when running Dataflow V2 pipelines, while also updating the associated CI trigger file to reflect the configuration change.

Highlights

• Configuration Update: Added the jdkAddOpenModules flag to the Dataflow V2 runner configuration to allow access to java.nio modules.
• CI Trigger Update: Incremented the modification counter in the Dataflow V2 post-commit trigger file.

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Code Review

This pull request increments the modification trigger version for Dataflow V2 and adds the --jdkAddOpenModules=java.base/java.nio=ALL-UNNAMED JVM option to the common pipeline options for Runner V2 in the Google Cloud Dataflow runner build configuration. There are no review comments, and I have no feedback to provide.

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[Abacn]

Since this error is user-facing when they use Dataflow runner + BigQuery with Arrow, can we explore if we can add this (java.base/java.nio=ALL-UNNAMED) to SDK harness' open module agent

https://github.com/apache/beam/blob/a6f2ff42e9e6c6e14c81693f3f9643be506719dd/sdks/java/container/agent/src/main/java/org/apache/beam/agent/OpenModuleAgent.java

so user would not need to config same options as here?

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 54.76%. Comparing base (cccb649) to head (5b4b2f1).
⚠️ Report is 21 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##             master   #39306   +/-   ##
=========================================
  Coverage     54.76%   54.76%           
  Complexity     1716     1716           
=========================================
  Files          1066     1066           
  Lines        169067   169067           
  Branches       1255     1255           
=========================================
  Hits          92592    92592           
  Misses        74258    74258           
  Partials       2217     2217           

Flag	Coverage Δ
go	28.69% <ø> (ø)

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[aIbrahiim]

Since this error is user-facing when they use Dataflow runner + BigQuery with Arrow, can we explore if we can add this (java.base/java.nio=ALL-UNNAMED) to SDK harness' open module agent

https://github.com/apache/beam/blob/a6f2ff42e9e6c6e14c81693f3f9643be506719dd/sdks/java/container/agent/src/main/java/org/apache/beam/agent/OpenModuleAgent.java

so user would not need to config same options as here?

I checked OpenModuleAgent and it only opens modules to jamm so it can't do ALL-UNNAMED the way Arrow needs so I added a container meta option instead so the harness gets --add-opens=java.base/java.nio=ALL-UNNAMED by default and the workflow passed with this. @Abacn