Changing linux common settings path

.github/ISSUE_TEMPLATE.md

@@ -10,6 +10,7 @@ Have you read GitHub for Unity's Code of Conduct? By filing an Issue, you are ex
 - Include the log file in the PR.
   - On Windows, the extension log file is at `%LOCALAPPDATA%\GitHubUnity\github-unity.log`
   - On macOS, the extension log file is at `~/Library/Logs/GitHubUnity/github-unity.log`
+  - On linux, the extension log file is at `~/.local/share/GitHubUnity/github-unity.log`
 
 ### Description
 

src/GitHub.Api/Platform/DefaultEnvironment.cs

@@ -33,7 +33,7 @@ public DefaultEnvironment()
             else
             {
                 localAppData = GetSpecialFolder(Environment.SpecialFolder.LocalApplicationData).ToNPath();
-                commonAppData = "/usr/local/share/".ToNPath();
+                commonAppData = GetSpecialFolder(Environment.SpecialFolder.ApplicationData).ToNPath();
             }
 
             UserCachePath = localAppData.Combine(ApplicationInfo.ApplicationName);