Updated tests.yml to only publish unit tests for Ubuntu 22 and Python 3.9.

Author: Rory Barnes

.github/workflows/tests.yml

@@ -22,14 +22,14 @@ jobs:
 
     steps:
       - name: Clone vplot repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
 
 
       - name: Set up Python
-        uses: conda-incubator/setup-miniconda@v2
+        uses: conda-incubator/setup-miniconda@v3
         with:
           activate-environment: vplot
           environment-file: environment.yml
@@ -63,8 +63,8 @@ jobs:
         run: python -m pytest -v tests --junitxml=junit/test-results.xml
 
       - name: Publish unit test results
-        uses: EnricoMi/publish-unit-test-result-action@v1
-        if: always()
+        uses: EnricoMi/publish-unit-test-result-action@v2
+        if: ${{ matrix.os == 'ubuntu-22.04' && matrix.python-version == '3.9' }}
         with:
           files: junit/test-*.xml
           comment_mode: update last