Fourth release of the ReRAM PDK.

The release does not change any files in this open source PDK, the
layout and all other files are identical. The commit was created to
match the versions offered by Skywater.

Signed-off-by: Ethan Mahintorabi <ethanmoon@google.com>
Signed-off-by: Tim 'mithro' Ansell <tansell@google.com>
Signed-off-by: Steve Kosier <Steve.Kosier@skywatertechnology.com>

README.rst

@@ -4,3 +4,5 @@
     :maxdepth: 1
     :name: sky130-reram-top
     docs/user_guide
+
+v2.0.3