Merge pull request #45 from QuEraComputing/dependabot/github_actions/…

…actions/cache-4

Bump actions/cache from 3 to 4

.github/workflows/deploy.yml

@@ -34,7 +34,7 @@ jobs:
       - name: Install dependencies
         run: pdm install
       - name: Set up build cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         id: cache
         with:
           key: mkdocs-material-${{ github.ref }}