feat: allow rpm import to skip upload OR import step

[NeilHanlon]

TL;DR

Add options to buildRpmImport command for skipping upload or import steps, and update version to 0.2.1.

What changed?

• New flags added: --skip / -s for skipping steps (either 'upload' or 'import').
• Updated BUILD.bazel with version bump to 0.2.1 and release to 1.
• Introduced SHA256 hashing for file integrity verification.
• Reorganized package imports and improved error handling

[resf-prow]

Skipping CI for Draft Pull Request.
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[NeilHanlon]

• feat: allow rpm import to skip upload OR import step #194 👈
• feat/build-peridot-cli-rpm

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[NeilHanlon]

• feature(peridot-cli): add task logs command  #195
• feat: allow rpm import to skip upload OR import step #194 👈
• feat/build-peridot-cli-rpm

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[resf-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: NeilHanlon

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[mstg]

/lgtm