ci(gh-actions): fix regex

Author: thomasleplus

.github/workflows/pipx-check-versions.yml

@@ -17,4 +17,4 @@ jobs:
         run: |
           set -euo pipefail
           IFS=$'\n\t'
-          docker run --pull always -t --user root --entrypoint /bin/sh "leplusorg/${GITHUB_REPOSITORY#*/docker-}:main" -c 'if sudo pipx upgrade-all --global | tee -a /dev/stderr | grep -q -e .; then exit 1; fi'
+          docker run --pull always -t --user root --entrypoint /bin/sh "leplusorg/${GITHUB_REPOSITORY#*/docker-}:main" -c 'if sudo pipx upgrade-all --global | tee -a /dev/stderr | grep -q -e "^upgraded "; then exit 1; fi'