feat: Add support for python 3.11 (#547)

* 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: https://github.com/googleapis/googleapis-gen/commit/7bf29a414b9ecac3170f0b65bdc2a95705c0ef1a
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>

Author: gcf-owl-bot[bot]

bigquery_storage/generated_samples/snippet_metadata_google.cloud.bigquery.storage.v1.json

@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-bigquery-storage",
-    "version": "2.17.0"
+    "version": "0.1.0"
   },
   "snippets": [
     {

bigquery_storage/generated_samples/snippet_metadata_google.cloud.bigquery.storage.v1beta2.json

@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-bigquery-storage",
-    "version": "2.17.0"
+    "version": "0.1.0"
   },
   "snippets": [
     {