CDRIVER-4396 update version check for csfle (#1002)

Author: kevinAlbs

.evergreen/compile-unix.sh

@@ -203,7 +203,7 @@ fi
 
 CONFIGURE_FLAGS="$CONFIGURE_FLAGS -DMONGO_SANITIZE=$SANITIZE"
 
-if ! python3 build/mongodl.py --test -C csfle -V 5.3.1 -o . > /dev/null; then
+if ! python3 build/mongodl.py --test -C csfle -V 6.0.0-rc4 -o . > /dev/null; then
    echo "No csfle detected for this platform. Disabling MONGOC_TEST_USE_CSFLE."
    CONFIGURE_FLAGS="$CONFIGURE_FLAGS -DMONGOC_TEST_USE_CSFLE=OFF"
 fi

src/libmongoc/CMakeLists.txt

@@ -872,6 +872,7 @@ if (MONGOC_TEST_USE_CSFLE)
    endif ()
 
    get_filename_component (csfle_dest "${CMAKE_CURRENT_BINARY_DIR}/mongo_csfle_v1${CMAKE_SHARED_LIBRARY_SUFFIX}" ABSOLUTE)
+   # If updating the "--version" for csfle, update the version in compile-unix.sh to match.
    add_custom_command (
       OUTPUT "${csfle_dest}"
       COMMAND