fix: typo in test-install-script os matrix (#1525)

Author: cam-bond

.github/workflows/test-install-osmatrix.yaml

@@ -17,7 +17,7 @@ jobs:
         os:
           - ubuntu-latest
           # - windows-latest # disabled for now due to curl error (probably this regression: https://github.com/curl/curl/issues/13958)
-          - macos-latest]
+          - macos-latest
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v3