update GitHub actions in CI workflows (#3754)

Updates actions/setup-node@v4 to actions/setup-node@v5 across workflows
(docs.yml and release.yml).

Upgrade to actions/setup-node@v5 ensures improved performance, security,
and long-term stability in CI pipelines.

Latest version:https://github.com/actions/setup-node/releases/tag/v5.0.0

Author: Daulox92

.github/workflows/docs.yml

@@ -37,7 +37,7 @@ jobs:
           toolchain: stable
       - uses: Swatinem/rust-cache@9d47c6ad4b02e050fd481d890b2ea34778fd09d6
       - uses: actions/checkout@v5
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v5
       - name: Install sitemap CLI
         run: |
           npm i -g static-sitemap-cli

.github/workflows/release.yml

@@ -20,7 +20,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
 
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v5
         with:
           cache: 'npm'
           cache-dependency-path: scripts/package-lock.json