Merge pull request #234 from proxystore/dependabot/github_actions/actions/cache-5

Bump actions/cache from 4 to 5

Author: gpauloski

.github/workflows/tests.yml

@@ -46,7 +46,7 @@ jobs:
 
       - name: Use pip cache
         id: pip-cache
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ${{ env.PIP_CACHE_DIR }}
           key: ${{ matrix.os }}-pip-${{ matrix.python }}-${{ hashFiles('pyproject.toml') }}