Update actions/setup-node action to v7

Author: renovate[bot]

.github/workflows/test.yml

@@ -48,7 +48,7 @@ jobs:
           # requires JDK 17+ (breaking the JDK 8 matrix) and parses CLI
           # commands differently. Kept in sync with sbt releases by Renovate.
           apps: sbt:1.12.13
-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@v7
         with:
           node-version: 24.18.0
       - name: Enable Corepack