Upgrade Zowe version to 3.1

[struga0258]

Please check if your PR fulfills the following requirements. This is simply a reminder of what we are going to look for before merging your PR. If you don't know all of this information when you create this PR, don't worry. You can edit this template as you're working on it.

• 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.

• Bugfix
• Feature
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Relevant issues

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Changes proposed in this PR

Does this PR introduce a breaking change?

• Yes
• No

Does this PR do something the person installing Zowe should know about?

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Is there a related doc issue or Pull Request?

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Other information

[github-actions]

build 6270 SUCCEEDED.
Link to workflow run: https://github.com/zowe/zowe-install-packaging/actions/runs/11294723891