Continuous Integration: Add Ruby 3.3

Resolves #160

Author: davidfstr

.github/workflows/main.yml

@@ -6,7 +6,7 @@ jobs:
  strategy:
  matrix:
  os: [ubuntu-latest, macos-latest, windows-latest]
- ruby-version: ['3.2', '3.1', '3.0', '2.7', truffleruby]
+ ruby-version: ['3.3', '3.2', '3.1', '3.0', '2.7', truffleruby]
  # conformance require perl because of that we 
  # only run unit tests on windows
  include: