Merge pull request #215 from seqan/dependabot/github_actions/actions/cache-4

Bump actions/cache from 3 to 4

Author: eseiler

.github/workflows/documentation.yml

@@ -51,7 +51,7 @@ jobs:
           doxygen: 1.9.6
 
       - name: Load cached documentation
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: doc-build
           key: ${{ runner.os }}-documentation-${{ env.DOXYGEN_VERSION }}