ci: disable memcheck on lowe_and_langley, which is way too slow

Author: sanguinariojoe

.github/workflows/memcheck.yml

@@ -36,4 +36,4 @@ jobs:
     - name: Test
       working-directory: ${{github.workspace}}/build
       # We are just testing in Linux
-      run: ctest -C ${{env.BUILD_TYPE}} -T memcheck --output-on-failure -j ${{env.PROCESSES}} -E "(seafloor|time_schemes|wavekin|wilson)"
+      run: ctest -C ${{env.BUILD_TYPE}} -T memcheck --output-on-failure -j ${{env.PROCESSES}} -E "(seafloor|time_schemes|wavekin|wilson|lowe_and_langley_2006)"