Remove comma on test.meta

Signed-off-by: Miguel Company <MiguelCompany@eprosima.com>

Author: MiguelCompany

.github/workflows/test.meta

@@ -16,7 +16,7 @@
                 "-DBUILD_TESTS=ON",
                 "-DCMAKE_BUILD_TYPE=Debug",
                 "-DCOMPILE_EXAMPLES=ON",
-                "-DCMAKE_CXX_FLAGS='-Werror'",
+                "-DCMAKE_CXX_FLAGS='-Werror'"
             ]
         }
     }