ci: Update fix_doctests.yml

Author: inkydragon

.github/workflows/fix_doctests.yml

@@ -7,12 +7,12 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        julia-version: [1.6]
+        julia-version: '1.10'
     steps:
+      - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@latest
         with:
           version: ${{ matrix.julia-version }}
-      - uses: actions/checkout@v1
       - name: Fix doctests
         shell: julia --project=docs/ {0}
         run: |