build(deps): bump actions/setup-node from 5 to 6 in /.github/workflows

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 5 to 6.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v5...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>

Author: dependabot[bot]

.github/workflows/locale-mod.yml

@@ -26,7 +26,7 @@ jobs:
           path: "./PeacockStrings"
 
       - name: Setup Node
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version-file: "./Peacock/.nvmrc"
           cache: "yarn"

.github/workflows/locale.yml

@@ -19,7 +19,7 @@ jobs:
           path: "./Peacock"
 
       - name: Setup Node
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version-file: "./Peacock/.nvmrc"
           cache: "yarn"