updated the python version (#113)

updated the workflow

Author: vamshimupparaju

.github/workflows/release.yml

@@ -15,10 +15,10 @@ jobs:
     steps:
     - uses: actions/checkout@v2
 
-    - name: Set up Python 3.6
+    - name: Set up Python 3.7
       uses: actions/setup-python@v2
       with:
-        python-version: 3.6
+        python-version: 3.7
 
     - name: Install dependencies
       run: |