fix python-version error

Author: GiovanniCanali

.github/workflows/tutorial_exporter.yml

@@ -23,7 +23,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
-        python-version: 3.10
+        python-version: '3.10'
 
     - name: Install dependencies
       run: |
@@ -91,7 +91,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
-        python-version: 3.10
+        python-version: '3.10'
 
     - name: Install dependencies
       run: |