Bump pnpm in E2E tests (#179063)

.github/renovate.json

@@ -7,10 +7,13 @@
     "pip_requirements",
     "pre-commit",
     "dockerfile",
+    "npm",
     "custom.regex",
     "homeassistant-manifest"
   ],
 
+  "ignorePaths": ["**/node_modules/**"],
+
   "pre-commit": {
     "enabled": true
   },
@@ -180,6 +183,15 @@
       "enabled": true,
       "labels": ["dependency"]
     },
+    {
+      "description": "pnpm version pinned in the E2E tests packageManager field (allowlisted)",
+      "matchManagers": ["npm"],
+      "matchFileNames": ["tests/e2e/package.json"],
+      "matchDepTypes": ["packageManager"],
+      "matchPackageNames": ["pnpm"],
+      "enabled": true,
+      "labels": ["dependency"]
+    },
     {
       "description": "For types-* stubs, only allow patch updates. Major/minor bumps track the upstream runtime package version and must be manually coordinated with the corresponding pin.",
       "matchPackageNames": ["/^types-/"],