Fix macos runner

.github/workflows/examples.yml

@@ -31,7 +31,7 @@ jobs:
             sudo apt-get install -y openssl
           elif [ "$RUNNER_OS" == "Windows" ]; then
             choco install openssl
-          elif [ "$RUNNER_OS" == "macOS " ]; then
+          elif [ "$RUNNER_OS" == "macOS" ]; then
             brew install openssl
           else
             echo "$RUNNER_OS not supported"