fix(notices): validate SPDX expressions strictly

package.json

@@ -121,6 +121,7 @@
     "@types/jsdom": "^28.0.3",
     "@types/mdast": "^4.0.4",
     "@types/node": "^22.20.0",
+    "@types/spdx-expression-parse": "^4.0.0",
     "@typescript-eslint/parser": "8.61.0",
     "@vitest/coverage-v8": "^4.1.8",
     "@yarnpkg/cli-dist": "4.17.1",
@@ -142,6 +143,7 @@
     "oxlint-tsgolint": "7.0.2001",
     "publint": "^0.3.21",
     "smol-toml": "^1.7.1",
+    "spdx-expression-parse": "^5.0.0",
     "tsdown": "^0.22.2",
     "tsx": "^4.22.4",
     "typescript": "^6.0.3",