Update ci.yaml

Author: shriram192

.github/workflows/ci.yaml

@@ -37,3 +37,8 @@ jobs:
       if: github.event_name == 'push'
       run: |
         poetry run codecov --token=${{ secrets.CODECOV_TOKEN }}
+    - name: Get version
+      id: vars
+      run: echo ::set-output name=version::$(cat pyproject.toml)
+    - name: Test output
+      run: echo ${{ steps.vars.outputs.version }}