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/build_and_publish.yml

@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v5
         with:
           node-version: '18'
           cache: "npm" # this only caches global dependencies
@@ -51,7 +51,7 @@ jobs:
             gatsby-build-github-queries-${{ steps.date.outputs.month }}-${{ steps.date.outputs.day }}
             gatsby-build-github-queries-
 
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v5
         with:
           node-version: '18'
           cache: "npm" # this only caches global dependencies

.github/workflows/check-external-links.yml

@@ -26,7 +26,7 @@ jobs:
     if: github.event.workflow_run.event == 'schedule' && github.event.workflow_run.conclusion == 'success'
     steps:
       - uses: actions/checkout@v5
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v5
         with:
           node-version: '18'
           cache: "npm" # this only caches global dependencies