ci : fix yml

Author: ggerganov

.github/workflows/build.yml

@@ -50,7 +50,7 @@ jobs:
                   sudo apt-get install cmake;
 
             - name: Configure
-              run: cmake . -DCMAKE_BUILD_TYPE=Debug -DGGWAVE_BUILD_EXAMPLES=OFF -DGGWAVE_SANITIZE_${{ matrix.sanitizer }}
+              run: cmake . -DCMAKE_BUILD_TYPE=Debug -DGGWAVE_BUILD_EXAMPLES=OFF -DGGWAVE_SANITIZE_${{ matrix.sanitizer }}=ON
 
             - name: Build
               run: |