test(exec): use neutral npm proxy wording

Author: Paveltarno

packages/cli/tests/cli/exec.spec.ts

@@ -2,7 +2,7 @@ import stripAnsi from "strip-ansi";
 import { describe, expect, it } from "vitest";
 import { fixture, setupCLITests } from "./testkit/index.js";
 
-describe.skip("exec command (Deno rejects the Wix npm proxy CA used as a TLS leaf)", () => {
+describe.skip("exec command (npm proxy TLS is incompatible with Deno)", () => {
   const t = setupCLITests();
 
   it("fails with helpful error when stdin is empty", async () => {