Change le message de commit des releases.

bin/release

@@ -3,7 +3,7 @@ TAG="$1"
 git checkout -f -b "release-$TAG" master
 sed -i -e "s/master/$TAG/g" prezbuilder-ci.yml src/index.md README.md bin/prezbuilder-docker
 git add prezbuilder-ci.yml src/index.md README.md bin/prezbuilder-docker
-git commit -m "Prépare la release $TAG"
+git commit -m "Release $TAG"
 git tag -f "$TAG" -m "Release $TAG"
 git checkout master
 git merge --no-ff -s ours "release-$TAG" -m "Merge release branch $TAG"