Upgrade: Bump actions/cache from 4.2.2 to 4.2.4

Bumps [actions/cache](https://github.com/actions/cache) from 4.2.2 to 4.2.4.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v4.2.2...v4.2.4)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-version: 4.2.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/doc-site-build-only.yml

@@ -32,7 +32,7 @@ jobs:
           registry-url: 'https://registry.npmjs.org'
 
       - name: Cache npm
-        uses: actions/cache@v4.2.2
+        uses: actions/cache@v4.2.4
         with:
           path: ~/.npm
           key: ${{ runner.os }}-node-${{ matrix.node.version }}-${{ hashFiles('**/package-lock.json') }}

.github/workflows/doc-site-publish.yml

@@ -31,7 +31,7 @@ jobs:
           registry-url: 'https://registry.npmjs.org'
 
       - name: Cache npm
-        uses: actions/cache@v4.2.2
+        uses: actions/cache@v4.2.4
         with:
           path: ~/.npm
           key: ${{ runner.os }}-node-${{ matrix.node.version }}-${{ hashFiles('**/package-lock.json') }}