Add release task for update moodle-plugin-ci test matrix and templates.

general/development/process/release/index.md

@@ -168,6 +168,7 @@ Usually on Monday
 | 5. | ✓ | ✓ | Notify about publications of CVE using form: https://cveform.mitre.org/ | Security Officer |
 | 6. | ✓ |  | Upgrade moodle.org and all other Moodle community sites (next sites first, then production) |  |
 | 7. | &#10003; |  | **Deprecations:**<ul><li>If not yet present, create the deprecation epic for the next series (`X+1.0`) similar to [MDL-79719](https://tracker.moodle.org/browse/MDL-79719). The issue can be based/cloned from the previous deprecation epic and linked ("has to be done after") with it.</li><li>Add standard issues to it:<ul><li>Final deprecation of `lib/deprecatedlib.php` (like [MDL-79720](https://tracker.moodle.org/browse/MDL-79720))</li><li>Removal of deprecated Behat steps (like [MDL-79721](https://tracker.moodle.org/browse/MDL-79721))</li><li>Removal of strings (like [MDL-78078](https://tracker.moodle.org/browse/MDL-79722)) and</li><li>Removal of renamed classes ([MDL-79723](https://tracker.moodle.org/browse/MDL-79723)).</li></ul></li><li>Review [how previous deprecation epics are going](https://tracker.moodle.org/issues/?jql=project%20%3D%20MDL%20AND%20text%20~%20%22Collect%20together%20deprecated%20and%20planned%20code%20changes%20for%20Moodle%22%20AND%20affectedVersion%20in%20(releasedVersions()%2C%20%22Future%20Dev%22)%20AND%20resolution%20%3D%20Unresolved%20ORDER%20BY%20issuekey%20%20DESC) and share about them.</li></ul><br/>**Libraries:**<ul><li>Create the next third party libraries epic for `X.Y+1`, similar to [MDL-81653](https://tracker.moodle.org/browse/MDL-81653). The issue should refer to the list of [Moodle libraries credits](../../../community/credits/thirdpartylibs.md). The issue can be based/cloned on the previous one and linked ("has to be done after") with it. **Drag/link opened issues from the previous one**, avoiding leaving unfinished stuff.</li><li>Review [how previous library review epics are going](https://tracker.moodle.org/issues/?jql=project%20%3D%20MDL%20AND%20(summary%20~%20%22Review%20third%20party%20libraries%20for%20new%20versions%22%20OR%20summary%20~%20%22Review%20third-party%20libraries%20for%20upgrade%22)%20AND%20affectedVersion%20in%20(releasedVersions()%2C%20%22Future%20Dev%22)%20AND%20resolution%20%3D%20Unresolved%20ORDER%20BY%20issuekey%20%20DESC) and share about them.</li></ul> | Integration Team |
+| 8. | &#10003; | &#10003; | Update test matrix at [moodle-plugin-ci](https://github.com/moodlehq/moodle-plugin-ci/) GHA and Travis tests workflows. For Major release also update `*.dist.yml` templates to reflect current major branch. | Integration Team / moodle-plugin-ci maintainer |
 
 ## 2 weeks after