Update GDS of the SRAM block and storage

- using https://github.com/efabless/sky130_sram_macros/tree/main/sram_1rw1r_32_256_8_sky130
- differences include shapes on ncm, hvtp, cp1m.maskDrop...
- some (false?) differences show up when XORing the current layout with the old
  one
diff --git a/gds/sram_1rw1r_32_256_8_sky130.gds.gz b/gds/sram_1rw1r_32_256_8_sky130.gds.gz
index bab8b50..ed01511 100644
--- a/gds/sram_1rw1r_32_256_8_sky130.gds.gz
+++ b/gds/sram_1rw1r_32_256_8_sky130.gds.gz
Binary files differ
diff --git a/gds/storage.gds.gz b/gds/storage.gds.gz
index a5ad7ec..f093f63 100644
--- a/gds/storage.gds.gz
+++ b/gds/storage.gds.gz
Binary files differ