[doc] Update macOS labels in README.md (#12903)

Author: ijunaidm1

README.md

@@ -22,10 +22,10 @@ To build a VM machine from this repo's source, see the [instructions](docs/creat
 | --------------------|---------------------|--------------------|
 | Ubuntu 24.04 | `ubuntu-latest` or `ubuntu-24.04` | [ubuntu-24.04] |
 | Ubuntu 22.04 | `ubuntu-22.04` | [ubuntu-22.04] |
-| macOS 15 | `macos-15-large`| [macOS-15] |
-| macOS 15 Arm64 | `macos-15` or `macos-15-xlarge` | [macOS-15-arm64] |
-| macOS 14 | `macos-latest-large` or `macos-14-large`| [macOS-14] |
-| macOS 14 Arm64 |`macos-latest`, `macos-14`, `macos-latest-xlarge` or `macos-14-xlarge`| [macOS-14-arm64] |
+| macOS 15 | `macos-latest-large` or `macos-15-large`| [macOS-15] |
+| macOS 15 Arm64 | `macos-latest`, `macos-15` or `macos-15-xlarge` | [macOS-15-arm64] |
+| macOS 14 | `macos-14-large`| [macOS-14] |
+| macOS 14 Arm64 | `macos-14`, `macos-latest-xlarge` or `macos-14-xlarge`| [macOS-14-arm64] |
 | macOS 13 | `macos-13` or `macos-13-large` | [macOS-13] |
 | macOS 13 Arm64 | `macos-13-xlarge` | [macOS-13-arm64] |
 | Windows Server 2025 | `windows-2025` | [windows-2025] |