Update tox matrix

- refine Python versions, pytest, and gherkin configurations
- avoid cartesian product of pytest ✕ gherkin_official

Author: youtux

tox.ini

@@ -1,8 +1,9 @@
 [tox]
 # pytest 7.0-7.2 do not support python 3.12+
-envlist = py{3.10,3.11}-pytest{7.0,7.1,7.2}-gherkin_official{29,30,32,33,34,35,36,37,latest}-coverage
-          py{3.10,3.11,3.12,3.13,3.14}-pytest{7.3,7.4,8.0,8.1,8.2,8.3,9.0,9.1,latest}-gherkin_official{29,30,32,33,34,35,36,37,latest}-coverage
-          py3.15-pytestlatest-gherkin_officiallatest-coverage
+envlist = py{3.10,3.11}-pytest{7.0,7.1,7.2}-gherkin_officiallatest-coverage
+          py{3.10,3.11,3.12,3.13,3.14}-pytest{7.3,7.4,8.0,8.1,8.2,8.3,9.0,9.1,latest}-coverage
+          py{3.10,3.11,3.12,3.13,3.14}-gherkin_official{29,30,32,33,34,35,36,37,38,39,40,41,42,latest}-coverage
+          py3.15-coverage
           py3.12-pytestlatest-xdist-coverage
           mypy
 
@@ -13,6 +14,11 @@ setenv =
     xdist: _PYTEST_MORE_ARGS=-n3 -rfsxX
 deps =
     gherkin_officiallatest: gherkin-official
+    gherkin_official42: gherkin-official~=42.0.0
+    gherkin_official41: gherkin-official~=41.0.0
+    gherkin_official40: gherkin-official~=40.0.0
+    gherkin_official39: gherkin-official~=39.0.0
+    gherkin_official38: gherkin-official~=38.0.0
     gherkin_official37: gherkin-official~=37.0.0
     gherkin_official36: gherkin-official~=36.0.0
     gherkin_official35: gherkin-official~=35.0.0