feat(compute): add compute consistency group clone sample

[TetyanaYahodska]

Description

Documentation - https://cloud.google.com/compute/docs/disks/async-pd/manage-async-disks?authuser=0#clone_all_disks_in_a_consistency_group
Fixes #

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Checklist

• I have followed Sample Format Guide
• pom.xml parent set to latest shared-configuration
• Appropriate changes to README are included in PR
• These samples need a new API enabled in testing projects to pass (let us know which ones)
• These samples need a new/updated env vars in testing projects set to pass (let us know which ones)
• Tests pass: mvn clean verify required
• Lint passes: mvn -P lint checkstyle:check required
• Static Analysis: mvn -P lint clean compile pmd:cpd-check spotbugs:check advisory only
• This sample adds a new sample directory, and I updated the CODEOWNERS file with the codeowners for this sample
• This sample adds a new Product API, and I updated the Blunderbuss issue/PR auto-assigner with the codeowners for this sample
• Please merge this PR for me once it is approved

[code-review-assist]

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[snippet-bot]

Here is the summary of changes.

You are about to add 2 region tags.

• compute/cloud-client/src/main/java/compute/disks/consistencygroup/CloneRegionalDisksFromConsistencyGroup.java:19, tag compute_consistency_group_clone_regional_disk
• compute/cloud-client/src/main/java/compute/disks/consistencygroup/CloneZonalDisksFromConsistencyGroup.java:19, tag compute_consistency_group_clone

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