update test matrix

Author: bodrovis

.github/workflows/ci.yml

@@ -18,8 +18,7 @@ jobs:
           - 3.2
           - 3.3
           - 3.4
-          - '3.5.0-preview1'
-          - '4.0.0-preview2'
+          - 4.0
     runs-on: ${{ matrix.os }}
     env:
       LOKALISE_API_TOKEN: 123abc