ci: have action to create code coverage badge

Author: tngraf

.github/workflows/unit-test.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.8, 3.9, 3.11]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
 
     steps:
     - uses: actions/checkout@v3
@@ -41,7 +41,7 @@ jobs:
         poetry run coverage run -m pytest
         poetry run coverage report -m --omit "*/site-packages/*.py",*/tests/*
         poetry run coverage html --omit "*/site-packages/*.py",*/tests/*
-        poetry run coverage xml
+        poetry run coverage xml --omit "*/site-packages/*.py"
 
     - name: Code Coverage Summary Report
       uses: irongut/CodeCoverageSummary@v1.3.0
@@ -59,3 +59,9 @@ jobs:
     - name: Write to Job Summary
       run: |
         cat code-coverage-results.md >> $GITHUB_STEP_SUMMARY
+
+    - name: Create test coverage badge
+      uses: gaelgirodon/ci-badges-action@v1
+      with:
+        gist-id: 6ab639b6f9d1f6161d3db52d348d2997
+        token: ${{ secrets.GIST_TOKEN_SW360PYTHON }}