fix exclude regex handling in sanitizer workflow

Signed-off-by: ArivoliR <arivoli2005@gmail.com>

Author: ArivoliR

.github/workflows/linux_sanitizers.yml

@@ -47,6 +47,5 @@ jobs:
           ctest \
             --output-on-failure \
             --tests-regex tests.examples \
-            --exclude-regex \
-                "tests.examples.transpose.transpose_block_numa|\
-                tests.examples.quickstart.1d_wave_equation"
+            --exclude-regex tests.examples.transpose.transpose_block_numa \
+            --exclude-regex tests.examples.quickstart.1d_wave_equation