configloader: test with python 3.11 (#1014)

This assumes dependencies are the same or close enough as on python 3.9.

configloader/tox.ini

@@ -12,6 +12,8 @@ commands =
     docker run --rm -v {toxinidir}:/app -v configloader-{envname}-py38-tox:/app/.tox configloader-{envname}-py38-test py38
     docker build --build-arg PYTHON_VERSION=3.9.7 -t configloader-{envname}-py39-test -f Dockerfile.test .
     docker run --rm -v {toxinidir}:/app -v configloader-{envname}-py39-tox:/app/.tox configloader-{envname}-py39-test py39
+    docker build --build-arg PYTHON_VERSION=3.11.9 -t configloader-{envname}-py311-test -f Dockerfile.test .
+    docker run --rm -v {toxinidir}:/app -v configloader-{envname}-py311-tox:/app/.tox configloader-{envname}-py311-test py311
 
 [testenv]
 depends = clean
@@ -20,6 +22,7 @@ setenv =
     PYTHONPATH = {toxinidir}/tests
 usedevelop = true
 deps =
+    py311: -r {toxinidir}/requirements/test.txt
     py39: -r {toxinidir}/requirements/test.txt
     py38: -r {toxinidir}/requirements/test.py38.txt
 commands =
@@ -33,7 +36,7 @@ depends =
 [testenv:report]
 skip_install = true
 commands = coverage report -m
-depends = py39
+depends = py311
 parallel_show_output = true
 
 [coverage:run]

taskcluster/kinds/tox/kind.yml

@@ -62,7 +62,7 @@ tasks:
         resources:
             - bouncerscript
     configloader:
-        python-versions: [38, 39]
+        python-versions: [38, 39, 311]
         resources:
             - configloader
     githubscript:

tox.ini

@@ -7,6 +7,7 @@ envlist =
     bouncerscript-py39
     configloader-py38
     configloader-py39
+    configloader-py311
     githubscript-py39
     init-py39
     # iscript and notarization_poller are python 3.8 only
@@ -75,6 +76,11 @@ commands =
 changedir = {toxinidir}/configloader
 commands =
     tox -e py39
+
+[testenv:configloader-py311]
+changedir = {toxinidir}/configloader
+commands =
+    tox -e py311
     - tox -e coveralls
 
 [testenv:init-py39]