One more try at custom build types

Author: saxbophone

.github/workflows/continuous-integration.yml

@@ -7,10 +7,10 @@ on:
 
 env:
   # Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.)
-  - BUILD_TYPE: Debug
-    if: ${{ github.event != 'release' }}
-  - BUILD_TYPE: Release
-    if: ${{ github.event == 'release' }}
+  if: ${{ github.event != 'release' }}
+    BUILD_TYPE: Debug
+  if: ${{ github.event == 'release' }}
+    BUILD_TYPE: Release
 
 jobs:
   build: