ci: update test workflow to support Python 3.13 and 3.14, adjust coverage report conditions

Author: davidpirogov

.github/workflows/test.yml

@@ -1,4 +1,7 @@
 name: Tests
+permissions:
+  contents: read
+  pull-requests: write
 
 on:
   push:
@@ -12,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14", "3.14t"]
 
     steps:
       - uses: actions/checkout@v4
@@ -35,7 +38,7 @@ jobs:
 
       - name: Upload coverage reports as artifact
         uses: actions/upload-artifact@v4
-        if: matrix.python-version == '3.12'
+        if: matrix.python-version == '3.14'
         with:
           name: coverage-reports
           path: |
@@ -45,7 +48,7 @@ jobs:
 
       - name: Coverage comment on PR
         uses: py-cov-action/python-coverage-comment-action@v3
-        if: matrix.python-version == '3.12' && github.event_name == 'pull_request'
+        if: matrix.python-version == '3.14' && github.event_name == 'pull_request'
         with:
           GITHUB_TOKEN: ${{ github.token }}
           MINIMUM_GREEN: 90