Update SECURITY.md (#58)

Change version and remove the 'installer.ps1' potential non issue as
that has been removed in a previous commit.

SECURITY.md

@@ -4,7 +4,7 @@
 
 | Version | Supported          |
 | ------- | ------------------ |
-| 0.0.5   | :white_check_mark: |
+| 0.1.7   | :white_check_mark: |
 
 ## Reporting a Vulnerability
 
@@ -16,8 +16,6 @@ vulnerability is considered critical. In that case, email me.
 
 - In the `open-in-mpv` Python script: running a rogue `mpv` executable (where
   it is likely a user has a compromised system).
-- `install.ps1` may require extra permissions on the user's part. The user is
-  responsible for managing their system's security policies.
 - Anything in the `test-open` script as this is only for testing for use by
   developers.
 - The lack of a complete uninstaller.