CI (Buildbot, GHA): in the "Statuses" workflow, we only need to creat…

…e pending (yellow) statuses for the `tester_` jobs (#41822)

(cherry picked from commit 08fae51)

.github/workflows/statuses.yml

@@ -61,16 +61,6 @@ jobs:
  # remove them from the `context_list`.
  - run: |
  declare -a CONTEXT_LIST=(
- "buildbot/package_freebsd64"
- "buildbot/package_linux32"
- "buildbot/package_linuxaarch64"
- "buildbot/package_linuxarmv7l"
- "buildbot/package_linuxppc64le"
- "buildbot/package_macos64"
- "buildbot/package_macosaarch64"
- "buildbot/package_musl64"
- "buildbot/package_win32"
- "buildbot/package_win64"
  "buildbot/tester_freebsd64"
  "buildbot/tester_linux32"
  "buildbot/tester_linux64"