feat: Add support for python 3.11 (#226)

* feat: Add support for python 3.11

chore: Update gapic-generator-python to v1.8.0
PiperOrigin-RevId: 500768693

Source-Link: googleapis/googleapis@190b612

Source-Link: googleapis/googleapis-gen@7bf29a4
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiN2JmMjlhNDE0YjllY2FjMzE3MGYwYjY1YmRjMmE5NTcwNWMwZWYxYSJ9

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* require proto-plus 1.22.2 for python 3.11

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: Anthonios Partheniou <partheniou@google.com>

samples/generated_samples/snippet_metadata_grafeas.v1.json

@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "grafeas",
-    "version": "1.7.0"
+    "version": "0.1.0"
   },
   "snippets": [
     {

setup.py

@@ -38,6 +38,7 @@
 dependencies = [
     "google-api-core[grpc] >= 1.34.0, <3.0.0dev,!=2.0.*,!=2.1.*,!=2.2.*,!=2.3.*,!=2.4.*,!=2.5.*,!=2.6.*,!=2.7.*,!=2.8.*,!=2.9.*,!=2.10.*",
     "proto-plus >= 1.22.0, <2.0.0dev",
+    "proto-plus >= 1.22.2, <2.0.0dev; python_version>='3.11'",
     "protobuf>=3.19.5,<5.0.0dev,!=3.20.0,!=3.20.1,!=4.21.0,!=4.21.1,!=4.21.2,!=4.21.3,!=4.21.4,!=4.21.5",
 ]
 url = "https://github.com/googleapis/python-grafeas"
@@ -75,6 +76,7 @@
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
         "Operating System :: OS Independent",
         "Topic :: Internet",
     ],

testing/constraints-3.12.txt

@@ -0,0 +1,6 @@
+# -*- coding: utf-8 -*-
+# This constraints file is required for unit tests.
+# List all library dependencies and extras in this file.
+google-api-core
+proto-plus
+protobuf