update README

Author: mikepenz

README.md

@@ -96,6 +96,7 @@ jobs:
 | `annotate_only`              | Optional. Will only annotate the results on the files, won't create a check run. Defaults to `false`.                                                                                               |
 | `transformers`               | Optional. Array of `Transformer`s offering the ability to adjust the fileName. Defaults to: `[{"searchValue":"::","replaceValue":"/"}]`                                                             |
 | `job_summary`                | Optional. Enables the publishing of the job summary for the results. Defaults to `true`. May be required to disable [Enterprise Server](https://github.com/mikepenz/action-junit-report/issues/637) |
+| `job_summary_text`           | Optional. Additional text to include in the job summary prior to the tables. Defaults to empty string.                                                                                              |
 | `detailed_summary`           | Optional. Include table with all test results in the summary (Also applies to comment). Defaults to `false`.                                                                                        |
 | `flaky_summary`              | Optional. Include table with all flaky results in the summary (Also applies to comment). Defaults to `false`.                                                                                       |
 | `verbose_summary`            | Optional. Detail table will note if there were no test annotations for a test suite (Also applies to comment). Defaults to `true`.                                                                  |