Disable explicit modules in CodeQL build

Author: offyotto

.github/workflows/codeql.yml

@@ -60,6 +60,8 @@ jobs:
               "CODE_SIGNING_ALLOWED=NO",
               "CODE_SIGNING_REQUIRED=NO",
               "CODE_SIGN_IDENTITY=",
+              "SWIFT_ENABLE_EXPLICIT_MODULES=NO",
+              "CLANG_ENABLE_EXPLICIT_MODULES=NO",
               "COMPILER_INDEX_STORE_ENABLE=NO",
               "ONLY_ACTIVE_ARCH=YES",
               "-showBuildTimingSummary",