wip: feat(e2e): replace Ginkgo e2e tests with Kyverno Chainsaw framework

[c2ndev]

What type of PR is this?

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/kind bug

/kind cleanup

/kind design

/kind documentation

/kind failing-test

/kind feature

Any specific area of the project related to this PR?

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/area falco-operator

/area artifact-operator

/area pkg

/area api

/area docs

What this PR does / why we need it:

Replaces the existing Ginkgo-based e2e tests with Kyverno Chainsaw, a declarative Kubernetes e2e testing framework.

The new test suite covers:

• falco-operator: Falco deployment in both DaemonSet and Deployment modes
• artifact-operator: Rulesfile, Config, and Plugin CRDs with both inline and OCI sources
• Update scenarios: Verifies that CRD updates are correctly reconciled

Also includes:

• Updated CI workflow for automated e2e testing
• New Makefile targets for local development (make test-e2e)
• Reduced default probe delays for faster test execution

Which issue(s) this PR fixes:

Fixes #232

Special notes for your reviewer:

[poiana]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: c2ndev

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[poiana]

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