Test Git tag / package version coherence

Put this check as the last step of the `test` job and have it
conditioned by the workflow being launched on a Git tag, in order to
easily factor it out among the 3 potential target release "channels"
(GitHub, Test PyPI, and PyPI).

Author: popescu-v

.github/workflows/pip.yml

@@ -92,6 +92,16 @@ jobs:
         run: |
           pip install --upgrade pip
           pip install $(ls khiops*.tar.gz)
+      - name: Test package / Git tag version coherence
+        if: github.ref_type == 'tag'
+        run: |
+          PACKAGE_VERSION=$(pip show khiops | awk 'BEGIN {FS = ": "} $1 ~ /^Version$/ {print $2}')
+          echo ${{ github.ref_name }} | grep -wq $PACKAGE_VERSION
+          if [[ $? -ne 0 ]]
+          then
+            echo "::error::Python package version $PACKAGE_VERSION does not match Git tag ${{ github.ref_name }}"
+            false
+          fi
       - name: Run tests
         env:
           KHIOPS_SAMPLES_DIR: ${{ github.workspace }}/khiops-samples