add Python 3.12 to test matrix

currently fails with a segmentation fault. Could be related to
python/cpython#106092

.ci/.matrix_exclude.yml

@@ -35,6 +35,14 @@ exclude:
     FRAMEWORK: celery-5-django-3
   - VERSION: python-3.11 # https://github.com/celery/billiard/issues/377
     FRAMEWORK: celery-5-django-4
+  - VERSION: python-3.12-rc # cannot import name 'formatargspec' from 'inspect'
+    FRAMEWORK: celery-4-flask-1.0
+  - VERSION: python-3.12-rc # https://github.com/celery/billiard/issues/377
+    FRAMEWORK: celery-5-flask-2
+  - VERSION: python-3.12-rc # https://github.com/celery/billiard/issues/377
+    FRAMEWORK: celery-5-django-3
+  - VERSION: python-3.12-rc # https://github.com/celery/billiard/issues/377
+    FRAMEWORK: celery-5-django-4
   - VERSION: python-3.10
     FRAMEWORK: graphene-2
   - VERSION: python-3.10
@@ -65,19 +73,45 @@ exclude:
     FRAMEWORK: cassandra-3.4
   - VERSION: python-3.11
     FRAMEWORK: pymongo-3.5
+  - VERSION: python-3.12-rc
+    FRAMEWORK: django-1.11
+  - VERSION: python-3.12-rc
+    FRAMEWORK: django-2.0
+  - VERSION: python-3.12-rc
+    FRAMEWORK: django-2.1
+  - VERSION: python-3.12-rc
+    FRAMEWORK: celery-4-django-2.0
+  - VERSION: python-3.12-rc
+    FRAMEWORK: celery-4-django-1.11
+  - VERSION: python-3.12-rc
+    FRAMEWORK: graphene-2
+  - VERSION: python-3.12-rc
+    FRAMEWORK: aiohttp-3.0
+  - VERSION: python-3.12-rc
+    FRAMEWORK: aiohttp-4.0
+  - VERSION: python-3.12-rc
+    FRAMEWORK: cassandra-3.4
+  - VERSION: python-3.12-rc
+    FRAMEWORK: pymongo-3.5
   # pymongo
   - VERSION: python-3.10
     FRAMEWORK: pymongo-3.1
   - VERSION: python-3.11
     FRAMEWORK: pymongo-3.1
+  - VERSION: python-3.12-rc
+    FRAMEWORK: pymongo-3.1
   - VERSION: python-3.10
     FRAMEWORK: pymongo-3.2
   - VERSION: python-3.11
     FRAMEWORK: pymongo-3.2
+  - VERSION: python-3.12-rc
+    FRAMEWORK: pymongo-3.2
   - VERSION: python-3.10
     FRAMEWORK: pymongo-3.3
   - VERSION: python-3.11
     FRAMEWORK: pymongo-3.3
+  - VERSION: python-3.12-rc
+    FRAMEWORK: pymongo-3.3
   - VERSION: python-3.8
     FRAMEWORK: pymongo-3.4
   - VERSION: python-3.9
@@ -86,6 +120,8 @@ exclude:
     FRAMEWORK: pymongo-3.4
   - VERSION: python-3.11
     FRAMEWORK: pymongo-3.4
+  - VERSION: python-3.12-rc
+    FRAMEWORK: pymongo-3.4
   - VERSION: pypy-3
     FRAMEWORK: pymongo-3.0
   # pymssql
@@ -105,6 +141,10 @@ exclude:
     FRAMEWORK: boto3-1.5
   - VERSION: python-3.11
     FRAMEWORK: boto3-1.6
+  - VERSION: python-3.12-rc
+    FRAMEWORK: boto3-1.5
+  - VERSION: python-3.12-rc
+    FRAMEWORK: boto3-1.6
   # aiohttp client, only supported in Python 3.7+
   - VERSION: pypy-3
     FRAMEWORK: aiohttp-3.0
@@ -182,9 +222,19 @@ exclude:
     FRAMEWORK: twisted-16
   - VERSION: python-3.11
     FRAMEWORK: twisted-15
+  - VERSION: python-3.12-rc
+    FRAMEWORK: twisted-18
+  - VERSION: python-3.12-rc
+    FRAMEWORK: twisted-17
+  - VERSION: python-3.12-rc
+    FRAMEWORK: twisted-16
+  - VERSION: python-3.12-rc
+    FRAMEWORK: twisted-15
   # pylibmc
   - VERSION: python-3.11
     FRAMEWORK: pylibmc-1.4
+  - VERSION: python-3.12-rc
+    FRAMEWORK: pylibmc-1.4
   # grpc
   - VERSION: python-3.6
     FRAMEWORK: grpc-newest
@@ -198,3 +248,5 @@ exclude:
     FRAMEWORK: grpc-1.24
   - VERSION: python-3.11
     FRAMEWORK: grpc-1.24
+  - VERSION: python-3.12-rc
+    FRAMEWORK: grpc-1.24

.ci/.matrix_python_full.yml

@@ -5,4 +5,5 @@ VERSION:
   - python-3.9
   - python-3.10
   - python-3.11
+  - python-3.12-rc
 #  - pypy-3  # excluded due to build issues with SQLite/Django