test: cover canonical compute-core contracts

[intel352]

Summary

• bump workflow-plugin-compute-core to the merged canonical provider contract version
• add provider catalog coverage for access-scoped operations and artifact specs
• assert product provider_config.version mismatches are rejected when present

Verification

• GOWORK=off go test ./internal -run 'AccessScopedOperations|MismatchedProductVersion' -count=1
• GOWORK=off go test ./... -v -race -count=1
• GOWORK=off go build ./...
• GOWORK=off go vet ./...
• git diff --check
• GOWORK=off go run ./cmd/wfctl plugin validate-contract /Users/jon/workspace/workflow-plugin-compute from /Users/jon/workspace/workflow