Remove compatibility warning

[farling42]

Describe the bug
A compatibility warning is shown in the Foundry Game Systems window.

Additional context
If the system.json is changed so that the 'compatibility' section contains 'verified' instead of 'minimum' then the warning disappears.

  "compatibility": {
    "verified": "10"
  },

[mkscho63]

Added this in, should be in 1.1.10 release, is on develop branch now