fix: update names

[holyspectral]

What this PR does / why we need it:

Which issue(s) this PR fixes

fixes #

Special notes for your reviewer:

Checklist:

• squashed commits into logical changes
• includes documentation
• adds unit tests
• adds or updates e2e tests

[Copilot]

🟢 Approval recommended

The branding update is consistent across the affected code, documentation, and chart metadata.

Pull request overview

Updates product naming from SUSE Security to Kubewarden across user-facing metadata and documentation.

Changes:

• Updates kubectl plugin branding.
• Synchronizes generated documentation and Helm chart metadata.

File summaries

File	Description
internal/kubectlplugin/root.go	Updates the CLI description.
docs/kubectl-plugin/runtime-enforcer.md	Updates generated plugin documentation.
charts/runtime-enforcer/Chart.yaml	Updates chart description branding.

Review details

• Files reviewed: 3/3 changed files
• Comments generated: 0
• Review effort level: Balanced

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[codecov]

Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 33.71%. Comparing base (87d7c51) to head (1e95852).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
internal/kubectlplugin/root.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #901   +/-   ##
=======================================
  Coverage   33.71%   33.71%           
=======================================
  Files          57       57           
  Lines        3616     3616           
=======================================
  Hits         1219     1219           
  Misses       2397     2397           

Flag	Coverage Δ
unit-tests	33.71% <0.00%> (ø)

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