Fix CI: Use bash interpreter for gitolite install script

Co-authored-by: PowerKiKi <[email protected]>

Author: Copilot

.github/workflows/test.yml

@@ -120,9 +120,8 @@ jobs:
         working-directory: redmine
         run: |
           sudo useradd --create-home git
-          chmod +x $GITHUB_WORKSPACE/gitolite/install
           sudo -n -u git -i mkdir bin
-          sudo -n -u git -i $GITHUB_WORKSPACE/gitolite/install -to /home/git/bin
+          sudo -n -u git -i bash $GITHUB_WORKSPACE/gitolite/install -to /home/git/bin
           sudo cp plugins/redmine_git_hosting/ssh_keys/redmine_gitolite_admin_id_rsa.pub /home/git/
           sudo chown git.git /home/git/redmine_gitolite_admin_id_rsa.pub
           sudo -n -u git -i bin/gitolite setup -pk redmine_gitolite_admin_id_rsa.pub