ci: bump the actions group with 2 updates

Bumps the actions group with 2 updates: [actions/cache](https://github.com/actions/cache) and [actions/setup-node](https://github.com/actions/setup-node).


Updates `actions/cache` from 4 to 5
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](https://github.com/actions/cache/compare/v4...v5)

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

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: actions/setup-node
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
...

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

.github/workflows/build.yml

@@ -90,7 +90,7 @@ jobs:
 
     - name: Cache Emscripten SDK
       if: contains(matrix.features, 'wasm') && (matrix.run-wasm-test || !inputs.run-test)
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: emsdk
         key: emsdk-${{ env.EMSCRIPTEN_VERSION }}-${{ runner.os }}-${{ runner.arch }}
@@ -111,7 +111,7 @@ jobs:
 
     - name: Set up Node.js
       if: contains(matrix.features, 'wasm') && (matrix.run-wasm-test || !inputs.run-test)
-      uses: actions/setup-node@v4
+      uses: actions/setup-node@v6
       with:
         node-version: 24
         cache: npm