Fixing the technology LEF file.

The technology LEF file was not updated when
https://github.com/google/skywater-pdk/pull/155 was merged.

Technology LEF file changes include;

Signed-off-by: Tim 'mithro' Ansell <tansell@google.com>
tree: 9ac0f9aaf2e2b08e166c630d34db374310607b0f
  1. .gitignore
  2. LICENSE
  3. README.rst
  4. cells/
  5. models/
  6. tech/
  7. timing/