chore(yarn): tweak package.json for yarn

package.json

@@ -23,7 +23,7 @@
     "frontend:build": "webpack --progress",
     "frontend:build:watch": "webpack --watch --progress",
     "i18n:test": "./missing-translations.sh",
-    "prerelease": "./is-clean.sh && npm run test",
+    "prerelease": "./is-clean.sh && yarn run test",
     "release": "./release.sh",
     "postrelease": "git push --follow-tags",
     "parse-changelog": "changelog-parser ./CHANGELOG.md > changelog.json"
@@ -121,7 +121,6 @@
     "lodash.defer": "^4.1.0",
     "lodash.throttle": "^4.1.1",
     "moment": "^2.30.1",
-    "npm": "^10.2.5",
     "sodium-javascript": "^0.8.0",
     "toposort": "^2.0.2",
     "whatwg-fetch": "^3.6.20"