chore(deps): bump actions/setup-node from 4 to 6 (#47779)

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 4 to 6.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v4...v6)

---
updated-dependencies:
- dependency-name: actions/setup-node
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/extract-translation-source-files.yml

@@ -350,7 +350,7 @@ jobs:
 
       # Sets up node/npm
       - name: setup node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: 16
 

.github/workflows/python-tests.yml

@@ -27,7 +27,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Setup node for testing
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version-file: '.nvmrc'
 

.github/workflows/validate-translation-files.yml

@@ -54,7 +54,7 @@ jobs:
 
       - name: Setup node
         if: steps.filter.outputs.changedtranslations == 'true' && matrix.file-type == 'json'
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version-file: '.nvmrc'