also update Documentation workflow

Author: swyant

.github/workflows/Documentation.yml

@@ -15,7 +15,7 @@ jobs:
       - uses: julia-actions/setup-julia@v1
         with:
           version: "1.11"
-      - uses: julia-actions/cache@v1
+      - uses: julia-actions/cache@v2
       - name: add CESMIX registry
         run: |
           julia -e '