chore(deps): bump actions/cache from 4.1.2 to 4.2.0

Bumps [actions/cache](https://github.com/actions/cache) from 4.1.2 to 4.2.0.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v4.1.2...v4.2.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/pa11y.yml

@@ -32,7 +32,7 @@ jobs:
           node-version: "${{ env.NODE }}"
 
       - name: Set up npm cache
-        uses: actions/cache@v4.1.2
+        uses: actions/cache@v4.2.0
         with:
           path: ~/.npm
           key: ${{ runner.os }}-node-${{ env.NODE }}-${{ hashFiles('package.json') }}-${{ hashFiles('package-lock.json') }}

.github/workflows/percy.yml

@@ -30,7 +30,7 @@ jobs:
           node-version: "${{ env.NODE }}"
 
       - name: Set up npm cache
-        uses: actions/cache@v4.1.2
+        uses: actions/cache@v4.2.0
         with:
           path: ~/.npm
           key: ${{ runner.os }}-node-${{ env.NODE }}-${{ hashFiles('package.json') }}-${{ hashFiles('package-lock.json') }}