chore(deps): update actions/cache action to v4 (mainmatter#2730)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/workflows/deploy-docs.yml

@@ -17,7 +17,7 @@ jobs:
     steps:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
       - uses: volta-cli/action@d253558a6e356722728a10e9a469190de21a83ef # v4
-      - uses: actions/cache@704facf57e6136b1bc63b828d79edcd491f0ee84 # v3
+      - uses: actions/cache@13aacd865c20de90d75de3b17ebe84f7a17d57d2 # v4
         with:
           path: "**/node_modules"
           key: ${{ runner.os }}-pnpm-${{ hashFiles('**/pnpm-lock.yaml') }}