[GitHub] Fix action using github.context (#4456)* [GitHub] Fix action using github.context* use the post-discord-message.py script to avoid msg embeds* change github.context.payload.pull_request.action* test bot name using context* test message* Update post-github-activity.yml* Update post-github-activity.yml* Update post-github-activity.yml* Update post-github-activity.yml* Update post-github-activity.yml* Update post-github-activity.yml* Update post-github-activity.yml* Update post-github-activity.yml* fix all variable uses* fix wrong merge* fix use of removed function* fix pending-discussion* test empty embeds* last test in embeds* propagate the use of github.event* forgotten github.event to propagate* if using multiple conditions* Test list of events instead of array* Update post-github-activity.yml* Update post-github-activity.yml* Update post-github-activity.yml* Update post-github-activity.yml* Update post-github-activity.yml* Update post-github-activity.yml* fix no embeds, now working!* minor cosmetic* split action for GH activities in three different files* rename created actions* simplify action conditions* fix use of user.login, fix PR trigger and cosmetic* fix cases where no embeds is given* fix python if* add stargazer name mention* test new if condition in action* update all if condition in the same way* attempt to fix if condition* update message reviewers* it works : good condition for if condition* fix message for thanking reviewers* use * for arrays* reformat message* use to join function* apply a if condition to all actions to apply ONLY on sofa-framework* Apply suggestions from code review* Update .github/workflows/post-release.ymlCo-authored-by: Paul Baksic <30337881+bakpaul@users.noreply.github.com>---------Co-authored-by: Paul Baksic <30337881+bakpaul@users.noreply.github.com>