@actions/artifact 0.3.1 update (#420)

* Updates to 0.3.1 package update

docs/additional-information.md

@@ -17,7 +17,6 @@ When uploading an artifact, the inputted `name` parameter along with the files s
 - |
 - \*
 - ?
-- empty space
 
 In addition to the aforementioned characters, the inputted `name` also cannot include the following
 - \

docs/implementation-details.md

@@ -4,7 +4,7 @@ Warning: Implementation details may change at any time without notice. This is m
 
 ## Upload/Compression flow
 
-![image](https://user-images.githubusercontent.com/16109154/77190819-38685d80-6ada-11ea-8281-4703ff8cc025.png)
+![image](https://user-images.githubusercontent.com/16109154/79765587-19522b00-8327-11ea-9679-410bb10e1b13.png)
 
 ## Retry Logic when downloading an individual file