[PATCH] maint: add .prev-version file.

* .prev-version: add this file.  This is used by some automation
scripts provided by gnulib, for example gnu-web-doc-update and
do-release-commit-and-tag).
---
 .prev-version | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 .prev-version

diff --git a/.prev-version b/.prev-version
new file mode 100644
index 00000000..a162ea75
--- /dev/null
+++ b/.prev-version
@@ -0,0 +1 @@
+4.11.0
-- 
2.47.3