[FLINK-33694][gs-fs-hadoop] Support overriding GCS root URL (backport to 1.17)

[patricklucas]

This is a backport of #23836 to 1.17.

[flinkbot]

CI report:

• 7b779ec Azure: SUCCESS

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• @flinkbot run azure re-run the last Azure build

[patricklucas]

@flinkbot run azure

[patricklucas]

@XComp having trouble getting a clean CI run for this one. First failure appeared to be a transient connectivity issue; second time, the task "Test - connect_1" failed with:

Jan 18 11:23:52 [ERROR] Failed to execute goal org.apache.maven.plugins:maven-shade-plugin:3.4.1:shade (shade-flink) on project flink-sql-connector-hbase-1.4: Error creating shaded jar: /__w/1/.m2/repository/commons-codec/commons-codec/1.15/commons-codec-1.15.jar (No such file or directory) -> [Help 1]

Is it possible for jobs to step on each other's local Maven repos?

@flinkbot run azure

[XComp]

I checked the logs. We had disk space issues with runners today (FLINK-34135, FLINK-34098). I suspect that the failures where caused by this (all of it is kind of related to IO issues). 🤔

[XComp]

Review happened in parent PR #23836
CI is green 👍

Thanks for creating the backport.