message: Bump version to 9.1.x
diff: @@ -15,8 +15,8 @@ We provide security patches for the latest released minor version.
  | Version | Supported |
  |:--------|:-------------------|
  -| 9.0.x | :white_check_mark: |
  -| <9.0 | :x: |
  +| 9.1.x | :white_check_mark: |
  +| <9.1 | :x: |
  ## Reporting a Vulnerability
  