Add E2E tests for skills overwrite protection and CLI #9727

Job	Run time
Codegen / Verify Code Generation	55s
License Headers / Check License Headers	20s
Spellcheck / Codespell	21s
Linting / Lint Go Code	1m 18s
Docs / Verify Swagger Documentation	2m 52s
Security Scan / Trivy Repository Scan	26s
Tests / Test Go Code (ubuntu-8cores-32gb)	3m 27s
Helm Charts / Lint and Test Helm Charts	5m 16s
Security Scan / Go Vulnerability Check	1m 24s
Security Scan / Trivy Configuration Scan	17s
Operator CI / Operator Tests	2m 6s
Operator CI / Build Operator	1m 15s
E2E Tests / Build ToolHive Binary	2m 0s
Operator CI / Generate CRDs	41s
Build Skills / Build and Publish Skills	2m 18s
Operator CI / E2E Tests Operator (kindest/node:v1.34.3)	6m 31s
Operator CI / Operator Tests Integration	3m 16s
Operator CI / E2E Tests Operator (kindest/node:v1.33.7)	6m 32s
Operator CI / E2E Tests Operator (kindest/node:v1.35.1)	6m 33s
Operator CI / Generate CRD Docs	51s
E2E Tests / E2E Tests Core (api-workloads)	5m 6s
E2E Tests / E2E Tests Core (mcp-protocol)	6m 20s
E2E Tests / E2E Tests Core (middleware)	4m 56s
E2E Tests / E2E Tests Core (api-registry)	1m 39s
E2E Tests / E2E Tests Core (mcp-run)	3m 51s
E2E Tests / E2E Tests Core (core)	4m 41s
E2E Tests / E2E Tests Core (api-clients)	2m 24s
E2E Tests / E2E Tests Core (api-misc)	1m 49s
E2E Tests / E2E Tests Core (proxy)	5m 46s
	1h 25m 11s

Provide feedback