Update mingit 2.50.1 (#5311)

Author: rajmishra1997

src/Misc/externals.sh

@@ -27,7 +27,7 @@ NODE10_VERSION="10.24.1"
 NODE16_VERSION="16.20.2"
 NODE16_WIN_ARM64_VERSION="16.9.1"
 NODE20_VERSION="20.19.4"
-MINGIT_VERSION="2.49.0"
+MINGIT_VERSION="2.50.1"
 LFS_VERSION="3.4.0"
 
 get_abs_path() {