patch 9.1.0331: make install does not install all files

Problem:  make install does not install all files (Nick Jensen)
Solution: Adjust the Makefile rule to install and uninstall cargo and
          rust directories (Matt Hammerly)

fixes: #14551
closes: #14552
closes: #14557

Signed-off-by: Matt Hammerly <hammerly.matt@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 7536c96..193c925 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    331,
+/**/
     330,
 /**/
     329,