ci: run docs on 1.12 (#1646)

Author: avik-pal

.github/workflows/Documentation.yml

@@ -125,7 +125,7 @@ jobs:
           job_summary: true
       - uses: julia-actions/setup-julia@v2
         with:
-          version: "1.11"
+          version: "1.12"
       - uses: julia-actions/cache@v2
         with:
           cache-name: julia-cache;workflow=tutorial-cpu-${{ matrix.group }}-${{ github.event_name }}-${{ github.event.repository.default_branch }}-${{ github.sha }}