Update deploy-docs workflow (#248)

(cherry picked from commit 4b8c041)

Author: ElePT

.github/workflows/deploy-docs.yml

@@ -26,7 +26,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        python-version: [3.10]
+        python-version: ['3.10']
     steps:
       - uses: actions/checkout@v5
         with: