Update version to v1.0.5

PiperOrigin-RevId: 365245324
Change-Id: Ibb4874d0a452f23a656b44644eb257073f6e8f37

Author: tomwardio

RELEASE_NOTES.md

@@ -1,5 +1,13 @@
 # Release Notes
 
+## [1.0.5]
+
+*   Better support for string specs in `dm_env_adaptor`.
+*   Improved Python type annotations.
+*   Check that the server has returned the correct response in
+    `dm_env_rpc.Connection` class.
+*   Added `create_world` helper function to `dm_env_adaptor`.
+
 ## [1.0.4]
 
 *   Better support for variable sized tensors.

dm_env_rpc/_version.py

@@ -17,4 +17,4 @@
 Kept in separate file so it can be used during installation.
 """
 
-__version__ = '1.0.4'  # https://www.python.org/dev/peps/pep-0440/
+__version__ = '1.0.5'  # https://www.python.org/dev/peps/pep-0440/