updated cairo-lang deps to version 2.18

Author: TomerStarkware

.gitignore

@@ -41,4 +41,3 @@ test_data_artifacts/programs
 test_data_artifacts/contracts
 test_data_artifacts/tests
 test_data_artifacts/tests_starknet
-test_data/e2e_libfuncs_raw

.gitmodules

@@ -1,4 +1,4 @@
 [submodule "vendor/cairo"]
 	path = vendor/cairo
 	url = https://github.com/starkware-libs/cairo.git
-	branch = v2.16.0
+	branch = v2.18.0