chore: add test for max listener warnings

Ref #6763

Author: lukekarrys

DEPENDENCIES.md

@@ -229,6 +229,7 @@ graph LR;
   npmcli-smoke-tests-->npmcli-mock-registry["@npmcli/mock-registry"];
   npmcli-smoke-tests-->npmcli-promise-spawn["@npmcli/promise-spawn"];
   npmcli-smoke-tests-->npmcli-template-oss["@npmcli/template-oss"];
+  npmcli-smoke-tests-->semver;
   npmlog-->are-we-there-yet;
   npmlog-->gauge;
   pacote-->cacache;
@@ -721,6 +722,7 @@ graph LR;
   npmcli-smoke-tests-->npmcli-promise-spawn["@npmcli/promise-spawn"];
   npmcli-smoke-tests-->npmcli-template-oss["@npmcli/template-oss"];
   npmcli-smoke-tests-->proxy;
+  npmcli-smoke-tests-->semver;
   npmcli-smoke-tests-->tap;
   npmcli-smoke-tests-->which;
   npmlog-->are-we-there-yet;

package-lock.json

@@ -17377,6 +17377,7 @@
         "@npmcli/template-oss": "4.18.0",
         "http-proxy": "^1.18.1",
         "proxy": "^2.1.1",
+        "semver": "^7.5.4",
         "tap": "^16.3.8",
         "which": "^4.0.0"
       },

smoke-tests/package.json

@@ -24,6 +24,7 @@
     "@npmcli/template-oss": "4.18.0",
     "http-proxy": "^1.18.1",
     "proxy": "^2.1.1",
+    "semver": "^7.5.4",
     "tap": "^16.3.8",
     "which": "^4.0.0"
   },