message: remove 1.x installs from supported list
diff: | Version | Supported |
  | ------- | ------------------ |
  | 2.x | :white_check_mark: |
  -| 1.x | :white_check_mark: (amazee.io supported installs only)|
  -| < 1.0 | :x: |
  +| 1.x | :x: |
  ## Reporting a Vulnerability
  