added caching to all local assemblers

4 jobs for feature/local_basis_cache in 20 minutes and 58 seconds (queued for 2 seconds)
Status Name Job ID Coverage
  Test
passed debian:10 clang-6-libcpp-17 #6531

00:20:57

passed debian:10 gcc-8-17 #6530

00:13:16

passed debian:9 gcc-6-14 #6532

00:11:40

passed ubuntu:18.04 clang-6-17 #6533

00:18:57