timing: Fixing case of `internal_node` pin name.

Updating sky130_fd_sc_ls 0.1.1.

Signed-off-by: Tim 'mithro' Ansell <me@mith.ro>
tree: e29f7e3a7406d2b1379faa47061daa86981ef908
  1. LICENSE
  2. README.rst
  3. cells/
  4. models/
  5. timing/