run docs build on latest

Author: baggepinnen

.github/workflows/docs.yml

@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: julia-actions/setup-julia@v1
         with:
-          version: '1.8'
+          version: '1'
       - name: Setup docs environment
         run: |
           julia --project=docs -e '