fix: removing macos-13 from unit tests matrix as it is deprecated (#130)

Co-authored-by: Huxing Zhang <huxing.zhang@gmail.com>

Author: pdelewski

.github/workflows/unit-test.yaml

@@ -32,8 +32,6 @@ jobs:
             arch: amd64
           - os: ubuntu-22.04-arm
             arch: arm64
-          - os: macos-13
-            arch: amd64
           - os: macos-latest
             arch: arm64
           - os: windows-latest