fix(virtualenvwrapper): stop the project-root walk at a .git file (#10030)

plugins/virtualenvwrapper/virtualenvwrapper.plugin.zsh

@@ -39,7 +39,7 @@ if [[ ! $DISABLE_VENV_CD -eq 1 ]]; then
       # Get absolute path, resolving symlinks
       local PROJECT_ROOT="${PWD:A}"
       while [[ "$PROJECT_ROOT" != "/" && ! -e "$PROJECT_ROOT/.venv" \
-          && ! -d "$PROJECT_ROOT/.git" ]]; do
+          && ! -e "$PROJECT_ROOT/.git" ]]; do
         PROJECT_ROOT="${PROJECT_ROOT:h}"
       done