chore: fix cmake.yaml (?)

.github/workflows/cmake.yml

@@ -28,7 +28,7 @@ jobs:
     # The CMake configure and build commands are platform agnostic and should work equally well on Windows or Mac.
     # You can convert this to a matrix build if you need cross-platform coverage.
     # See: https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix
-    runs-on: ${{ matrix.os }}
+    runs-on: ${{matrix.os}}
 
     steps:
     - uses: actions/checkout@v4