fix(deps): bump undici to 7.28.0 and dompurify to 3.4.11 (security) (#4304)

* fix(deps): bump undici to 7.28.0 and dompurify to 3.4.11 (security)

Resolves Dependabot alerts on package-lock.json and electron/package-lock.json:

- undici 7.x -> 7.28.0: TLS certificate validation bypass via dropped requestTls in SOCKS5 ProxyAgent (GHSA-vmh5-mc38-953g, HIGH) + cross-user information disclosure via shared-cache whitespace bypass (GHSA-pr7r-676h-xcf6, MEDIUM). Fixed in the root (jsdom transitive) and electron lockfiles.

- dompurify -> 3.4.11: permanent ALLOWED_ATTR pollution via setConfig() bypassing the hook clone-guard (GHSA-cmwh-pvxp-8882, MEDIUM). Bumped the overrides floor from ^3.4.9 to ^3.4.11.

Also bumps node-gyp's transitive undici 6.26.0 -> 6.27.0, clearing the <6.27.0 advisories (WebSocket DoS, Set-Cookie handling) surfaced by npm audit. Lockfile/override-only change; no production source touched.

* ci(quality): exclude dependency manifests/lockfiles from PR test-policy

The PR test-policy gate classifies any changed file under src/, open-sse/, electron/, or bin/ as production code requiring tests. This false-flags lockfile/manifest-only changes (e.g. this Dependabot security bump touching electron/package-lock.json), since a lockfile cannot have a meaningful unit test.

Adds package.json / package-lock.json to EXCLUDED_PATTERNS, consistent with the existing .md/.yaml/.yml exclusions. Real production-code changes remain flagged.

electron/package-lock.json

@@ -3187,9 +3187,9 @@
       }
     },
     "node_modules/undici": {
-      "version": "7.27.0",
-      "resolved": "https://registry.npmjs.org/undici/-/undici-7.27.0.tgz",
-      "integrity": "sha512-+t2Z/GwkZQDtu00813aP66ygViGtPHKhhoFZpQKpKrE+9jIgES+Zw+mFNaDWOVRKiuJjuqKHzD3B1sfGg8+ZOQ==",
+      "version": "7.28.0",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-7.28.0.tgz",
+      "integrity": "sha512-cRZYrTDwWznlnRiPjggAGxZXanty6M8RV1ff8Wm4LWXBp7/IG8v5DnOm74DtUBp9OONpK75YlPnIjQqX0dBDtA==",
       "dev": true,
       "license": "MIT",
       "optional": true,

package-lock.json

@@ -13268,9 +13268,9 @@
       "license": "MIT"
     },
     "node_modules/dompurify": {
-      "version": "3.4.10",
-      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.4.10.tgz",
-      "integrity": "sha512-0xzNv0e7oYC6yyuOGZIABPM4qtg3QxLFniDNPP4ZP90wR8Yq3zgwpRbrNiT4N3IKqDbbYFEJLV+JWEs19aZ//w==",
+      "version": "3.4.11",
+      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.4.11.tgz",
+      "integrity": "sha512-zhlUV12GsaRzMsf9q5M254YhA4+VuF0fG+QFqu6aYpoGlKtz+w8//jBcGVYBgQkR5GHjUomejY84AV+/uPbWdw==",
       "license": "(MPL-2.0 OR Apache-2.0)",
       "optionalDependencies": {
         "@types/trusted-types": "^2.0.7"
@@ -17962,9 +17962,9 @@
       }
     },
     "node_modules/jsdom/node_modules/undici": {
-      "version": "7.25.0",
-      "resolved": "https://registry.npmjs.org/undici/-/undici-7.25.0.tgz",
-      "integrity": "sha512-xXnp4kTyor2Zq+J1FfPI6Eq3ew5h6Vl0F/8d9XU5zZQf1tX9s2Su1/3PiMmUANFULpmksxkClamIZcaUqryHsQ==",
+      "version": "7.28.0",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-7.28.0.tgz",
+      "integrity": "sha512-cRZYrTDwWznlnRiPjggAGxZXanty6M8RV1ff8Wm4LWXBp7/IG8v5DnOm74DtUBp9OONpK75YlPnIjQqX0dBDtA==",
       "dev": true,
       "license": "MIT",
       "engines": {
@@ -21480,9 +21480,9 @@
       }
     },
     "node_modules/node-gyp/node_modules/undici": {
-      "version": "6.26.0",
-      "resolved": "https://registry.npmjs.org/undici/-/undici-6.26.0.tgz",
-      "integrity": "sha512-4yqz8a3n5HmGTlsbADNtr/dJlhkh/55Rq798G6ibiULcXbDtaLpTl1pvdqcbFfeoj3iSi52lePFM7h9H21cw/A==",
+      "version": "6.27.0",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-6.27.0.tgz",
+      "integrity": "sha512-YmfV3YnEDzXRC5lZ2jWtWWHKGUm1zIt8AhesR1tens+HTNv+YZlN/dp6G727LOvMJ8xjP9Be7Y2Sdr96LDm+pg==",
       "dev": true,
       "license": "MIT",
       "engines": {

package.json

@@ -337,7 +337,7 @@
     ]
   },
   "overrides": {
-    "dompurify": "^3.4.9",
+    "dompurify": "^3.4.11",
     "postcss": "^8.5.14",
     "ip-address": "10.2.0",
     "qs": "^6.15.2",

scripts/check/check-pr-test-policy.mjs

@@ -17,6 +17,7 @@ const EXCLUDED_PATTERNS = [
   /\.md$/, // Documentation
   /\.yaml$/, // Config files
   /\.yml$/, // Config files
+  /(?:^|\/)package(?:-lock)?\.json$/, // Dependency manifests/lockfiles (e.g. Dependabot bumps) — not testable code
 ];
 
 function getArg(name, fallbackValue = "") {