ci: disable all tests on GHA macOS runner to work around CI hours limit

Author: kateinoigakukun

.github/workflows/build-toolchain.yml

@@ -134,10 +134,10 @@ jobs:
             "build_os": "macos-11",
             "agent_query": "macos-11",
             "target": "macos_x86_64",
-            "run_stdlib_test": true,
+            "run_stdlib_test": false,
             "run_full_test": false,
-            "run_e2e_test": true,
-            "build_hello_wasm": true,
+            "run_e2e_test": false,
+            "build_hello_wasm": false,
             "clean_build_dir": false
           },
           {