version modification in .github/workflows/ci.yml

Author: kshitij-maths

.github/workflows/ci.yml

@@ -7,14 +7,14 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest]
-        python-version: [3.8]
+        os: [ubuntu-latest, windows-latest, macos-12]
+        python-version: ["3.8", "3.9", "3.10", "3.11"]
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: Set up Python
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}