[dev-libs/libbson] prepare version for tree

dev-libs/libbson/files/libbson-1.24.4-CVE-2023-0437.patch

@@ -0,0 +1,25 @@
+From be865dd759a28aa268232766f304d1bc11f1e8f7 Mon Sep 17 00:00:00 2001
+From: Kevin Albertson <kevin.albertson@mongodb.com>
+Date: Mon, 30 Oct 2023 18:01:30 +0000
+Subject: [PATCH] CDRIVER-4747 use `size_t` consistently in
+ `bson_utf8_validate` (#1458)
+
+---
+ src/libbson/src/bson/bson-utf8.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/src/libbson/src/bson/bson-utf8.c b/src/libbson/src/bson/bson-utf8.c
+index e122ac31f7..1cebd27069 100644
+--- a/src/libbson/src/bson/bson-utf8.c
++++ b/src/libbson/src/bson/bson-utf8.c
+@@ -118,8 +118,8 @@ bson_utf8_validate (const char *utf8, /* IN */
+    bson_unichar_t c;
+    uint8_t first_mask;
+    uint8_t seq_length;
+-   unsigned i;
+-   unsigned j;
++   size_t i;
++   size_t j;
+ 
+    BSON_ASSERT (utf8);
+