Update swift_package_test.yml to include 16.3 and clean up typos

Author: shahmishal

.github/workflows/swift_package_test.yml

@@ -5,8 +5,8 @@ on:
     inputs:
       macos_xcode_versions:
         type: string
-        description: "Exclude Xcode version list (JSON)"
-        default: "[\"16.0\", \"16.1\", \"16.2\"]"
+        description: "Xcode version list (JSON)"
+        default: "[\"16.0\", \"16.1\", \"16.2\", \"16.3\"]"
       macos_exclude_xcode_versions:
         type: string
         description: "Exclude Xcode version list (JSON)"
@@ -89,7 +89,7 @@ on:
         default: true
       enable_macos_checks:
         type: boolean
-        description: "Boolean to enable linux testing. Defaults to false"
+        description: "Boolean to enable macOS testing. Defaults to false"
         default: false
       enable_windows_checks:
         type: boolean