Update CMake to version 3.28.3

Force the use of libssl and libcrypto instead of libmd.

cmake.spec

@@ -1,4 +1,4 @@
-### RPM external cmake 3.25.2
+### RPM external cmake 3.28.3
 %define downloaddir %(echo %realversion | cut -d. -f1,2)
 Source: http://www.cmake.org/files/v%{downloaddir}/%n-%realversion.tar.gz
 Requires: bz2lib curl expat zlib
@@ -20,6 +20,7 @@ cat > build-flags.cmake <<- EOF
 	SET(BUILD_CursesDialog FALSE CACHE BOOL "" FORCE)
 
 	# Use system libraries, not cmake bundled ones.
+	SET(CMAKE_USE_OPENSSL TRUE CACHE BOOL "" FORCE)
 	SET(CMAKE_USE_SYSTEM_LIBRARY_CURL TRUE CACHE BOOL "" FORCE)
 	SET(CMAKE_USE_SYSTEM_LIBRARY_ZLIB TRUE CACHE BOOL "" FORCE)
 	SET(CMAKE_USE_SYSTEM_LIBRARY_BZIP2 TRUE CACHE BOOL "" FORCE)