Add boolean in networkSettings for DVIPA environemnts

[timgerstel]

Add networkSettings.dvipa boolean to schema to indicate if a user is in a DVIPA environment. To be used for selecting appropriate hostname(s)

• Tests for the changes have been added (for bug fixes / features)
• Necessary documentation (if appropriate) have been added / updated
• DCO signoffs have been added to all commits, including this PR

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What type of changes does your PR introduce to Zowe? Put an x in the box that applies to this PR. If you're unsure about any of them, don't hesitate to ask.

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Does this PR introduce a breaking change?

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• No

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Other information

[github-actions]

PAX build 4496 SUCCEEDED.
Link to workflow run: https://github.com/zowe/zowe-install-packaging/actions/runs/7839867100

[github-actions]

Test workflow 3924 is started.
Running install test: Convenience Pax
The zowe artifact being used by this test workflow: libs-snapshot-local/org/zowe/2.15.0-PR-3731/zowe-2.15.0-pr-3731-4496-20240209051153.pax
Running on machine: zzow06
Result: SUCCESS
Link to workflow run: https://github.com/zowe/zowe-install-packaging/actions/runs/7839918934

[github-actions]

PAX build 4497 SUCCEEDED.
Link to workflow run: https://github.com/zowe/zowe-install-packaging/actions/runs/7840006102

[github-actions]

Test workflow 3925 is started.
Running install test: Convenience Pax
The zowe artifact being used by this test workflow: libs-snapshot-local/org/zowe/2.15.0-PR-3731/zowe-2.15.0-pr-3731-4497-20240209052832.pax
Running on machine: zzow06
Result: SUCCESS
Link to workflow run: https://github.com/zowe/zowe-install-packaging/actions/runs/7840046189

[github-actions]

PAX build 4498 SUCCEEDED.
Link to workflow run: https://github.com/zowe/zowe-install-packaging/actions/runs/7840089995

[github-actions]

Test workflow 3926 is started.
Running install test: Convenience Pax
The zowe artifact being used by this test workflow: libs-snapshot-local/org/zowe/2.15.0-PR-3731/zowe-2.15.0-pr-3731-4498-20240209054251.pax
Running on machine: zzow06
Result: SUCCESS
Link to workflow run: https://github.com/zowe/zowe-install-packaging/actions/runs/7840136506

[github-actions]

PAX build 4499 SUCCEEDED.
Link to workflow run: https://github.com/zowe/zowe-install-packaging/actions/runs/7840160925

[github-actions]

Test workflow 3927 is started.
Running install test: Convenience Pax
The zowe artifact being used by this test workflow: libs-snapshot-local/org/zowe/2.15.0-PR-3731/zowe-2.15.0-pr-3731-4499-20240209055250.pax
Running on machine: zzow06
Result: SUCCESS
Link to workflow run: https://github.com/zowe/zowe-install-packaging/actions/runs/7840194917