use latest 20.x node (#221)

Author: AndrewChubatiuk

.github/workflows/pr-checks-frontend.yml

@@ -33,7 +33,7 @@ jobs:
       - name: Set up node
         uses: actions/setup-node@v4
         with:
-          node-version: 20.9.0
+          node-version: 20.18.2
 
       - name: Install all dependencies
         run: yarn install

package.json

@@ -15,7 +15,7 @@
     "e2e": "yarn cypress install && yarn grafana-e2e run",
     "e2e:update": "yarn cypress install && yarn grafana-e2e run --update-screenshots",
     "server": "docker compose up",
-    "sign": "[ -z $GRAFANA_ACCESS_POLICY_TOKEN ] || npx --yes @grafana/sign-plugin@latest"
+    "sign": "[ -z $GRAFANA_ACCESS_POLICY_TOKEN ] && echo 'skip plugin signing' || npx --yes @grafana/sign-plugin@latest"
   },
   "author": "VictoriaMetrics",
   "license": "Apache-2.0",