Update pr-build.yml

Author: Jay Supriya Miriyala

.github/workflows/pr-build.yml

@@ -32,7 +32,7 @@ jobs:
     - name: Setting up Python 3.7
       uses: actions/setup-python@v2
       with:
-        python-version: '3.7.17'
+        python-version: '3.7'
 
     - name: Install dependencies
       run: |