build: update codecov action to use repo-specific tokens

.coveragerc

@@ -1,6 +1,5 @@
 [run]
 branch = True
-relative_files = True
 data_file = .coverage
 source=event_routing_backends
 omit =

.github/workflows/ci.yml

@@ -17,14 +17,6 @@ jobs:
         os: [ubuntu-20.04]
         python-version: ['3.8']
         toxenv: [quality, docs, pii_check, django32, django42]
-    permissions:
-      # Gives the action the necessary permissions for publishing new
-      # comments in pull requests.
-      pull-requests: write
-      # Gives the action the necessary permissions for pushing data to the
-      # python-coverage-comment-action branch, and for editing existing
-      # comments (to avoid publishing multiple comments in the same PR)
-      contents: write
 
     steps:
     - uses: actions/checkout@v4
@@ -46,19 +38,8 @@ jobs:
 
     - name: Run Coverage
       if: matrix.python-version == '3.8' && matrix.toxenv=='django42'
-      uses: py-cov-action/python-coverage-comment-action@v3
+      uses: codecov/codecov-action@v4
       with:
-        GITHUB_TOKEN: ${{ github.token }}
-        MINIMUM_GREEN: 90
-        MINIMUM_ORANGE: 85
-        ANNOTATE_MISSING_LINES: true
-        ANNOTATION_TYPE: error
-
-    - name: Store Pull Request comment to be posted
-      uses: actions/upload-artifact@v4
-      if: steps.coverage_comment.outputs.COMMENT_FILE_WRITTEN == 'true'
-      with:
-        # If you use a different name, update COMMENT_ARTIFACT_NAME accordingly
-        name: python-coverage-comment-action
-        # If you use a different name, update COMMENT_FILENAME accordingly
-        path: python-coverage-comment-action.txt
+        flags: unittests
+        fail_ci_if_error: true
+        token: ${{ secrets.CODECOV_TOKEN }}