chore(deps): bump actions/setup-node from 4 to 5

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 4 to 5.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v4...v5)

---
updated-dependencies:
- dependency-name: actions/setup-node
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/ci.yaml

@@ -11,7 +11,7 @@ jobs:
           # submodules: true  # Fetch Hugo themes (true OR recursive)
           fetch-depth: 3 # Fetch all history for .GitInfo and .Lastmod
 
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v5
         with:
           node-version: 18
       - uses: actions/cache@v4

.github/workflows/release_main.yml

@@ -18,7 +18,7 @@ jobs:
     steps:
       - name: Check out code
         uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v5
         with:
           node-version: 18
       - name: Extract version
@@ -43,7 +43,7 @@ jobs:
     steps:
       - name: Check out code
         uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v5
         with:
           node-version: 18
       - name: Cache Node.js modules