Update deploy-docs workflow (backport qiskit-community#248) (qiskit-community#249)

Co-authored-by: Elena Peña Tapia <57907331+ElePT@users.noreply.github.com>

Author: 2 people

.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: