Update setup-python in readme

Author: ewjoachim

README.md

@@ -290,7 +290,7 @@ jobs:
 
       - name: Set up Python
         id: setup-python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python_version }}
 
@@ -350,37 +350,37 @@ jobs:
 
 The action makes available some data for downstream processing.
 
-| Name | Description |
-| --- | --- |
+| Name           | Description                                                                                         |
+| -------------- | --------------------------------------------------------------------------------------------------- |
 | `activity_run` | The type of activity that was run. One of `process_pr`, `post_comment`, `save_coverage_data_files`. |
 
 All the following outputs are only available when running in PR mode.
 
-| Name | Description |
-| --- | --- |
-| `comment_file_written` | A boolean indicating whether a comment file was written to `COMMENT_FILENAME` or not. |
-| `new_covered_lines` | The number of covered lines in the pull request. |
-| `new_num_statements` | The number of statements in the pull request. |
-| `new_percent_covered` | The coverage percentage of the pull request. |
-| `new_missing_lines` | The number of lines with missing coverage in the pull request. |
-| `new_excluded_lines` | The number of excluded lines in the pull request. |
-| `new_num_branches` | The number of branches in the pull request. |
-| `new_num_partial_branches` | The number of partial branches in the pull request. |
-| `new_covered_branches` | The number of covered branches in the pull request. |
-| `new_missing_branches` | The number of branches with missing coverage in the pull request. |
-| `reference_covered_lines` | The number of covered lines in the base branch. |
-| `reference_num_statements` | The number of statements in the base branch. |
-| `reference_percent_covered` | The coverage percentage of the base branch. |
-| `reference_missing_lines` | The number of lines with missing coverage in the base branch. |
-| `reference_excluded_lines` | The number of excluded lines in the base branch. |
-| `reference_num_branches` | The number of branches in the base branch. |
-| `reference_num_partial_branches` | The number of partial branches in the base branch. |
-| `reference_covered_branches` | The number of covered branches in the base branch. |
-| `reference_missing_branches` | The number of branches with missing coverage in the base branch. |
-| `diff_total_num_lines` | The total number of lines in the diff. |
-| `diff_total_num_violations` | The total number of lines with missing coverage in the diff. |
-| `diff_total_percent_covered` | The coverage percentage of the diff. |
-| `diff_num_changed_lines` | The number of changed lines in the diff. |
+| Name                             | Description                                                                           |
+| -------------------------------- | ------------------------------------------------------------------------------------- |
+| `comment_file_written`           | A boolean indicating whether a comment file was written to `COMMENT_FILENAME` or not. |
+| `new_covered_lines`              | The number of covered lines in the pull request.                                      |
+| `new_num_statements`             | The number of statements in the pull request.                                         |
+| `new_percent_covered`            | The coverage percentage of the pull request.                                          |
+| `new_missing_lines`              | The number of lines with missing coverage in the pull request.                        |
+| `new_excluded_lines`             | The number of excluded lines in the pull request.                                     |
+| `new_num_branches`               | The number of branches in the pull request.                                           |
+| `new_num_partial_branches`       | The number of partial branches in the pull request.                                   |
+| `new_covered_branches`           | The number of covered branches in the pull request.                                   |
+| `new_missing_branches`           | The number of branches with missing coverage in the pull request.                     |
+| `reference_covered_lines`        | The number of covered lines in the base branch.                                       |
+| `reference_num_statements`       | The number of statements in the base branch.                                          |
+| `reference_percent_covered`      | The coverage percentage of the base branch.                                           |
+| `reference_missing_lines`        | The number of lines with missing coverage in the base branch.                         |
+| `reference_excluded_lines`       | The number of excluded lines in the base branch.                                      |
+| `reference_num_branches`         | The number of branches in the base branch.                                            |
+| `reference_num_partial_branches` | The number of partial branches in the base branch.                                    |
+| `reference_covered_branches`     | The number of covered branches in the base branch.                                    |
+| `reference_missing_branches`     | The number of branches with missing coverage in the base branch.                      |
+| `diff_total_num_lines`           | The total number of lines in the diff.                                                |
+| `diff_total_num_violations`      | The total number of lines with missing coverage in the diff.                          |
+| `diff_total_percent_covered`     | The coverage percentage of the diff.                                                  |
+| `diff_num_changed_lines`         | The number of changed lines in the diff.                                              |
 
 Usage may look like this