chore: updates owlbot and renovate.json to help control dependency when Python 3.9 is used.

owlbot.py

@@ -53,6 +53,7 @@
         # exclude gh actions as credentials are needed for tests
         ".github/workflows",
         "README.rst",
+        "renovate.json",
     ],
 )
 

renovate.json

@@ -8,5 +8,12 @@
   "ignorePaths": [".pre-commit-config.yaml", ".kokoro/requirements.txt", "setup.py", ".github/workflows/unittest.yml"],
   "pip_requirements": {
     "fileMatch": ["requirements-test.txt", "samples/[\\S/]*constraints.txt", "samples/[\\S/]*constraints-test.txt"]
-  }
+  },
+  "packageRules": [
+    {
+      "matchFileNames": ["requirements.txt"],
+      "matchStrings": ["geoalchemy2 (.*); python_version == '3.9'"],
+      "allowedVersions": ">= 0.17.1, < 0.18.0"
+    }
+  ]
 }

samples/snippets/requirements.txt

@@ -1,17 +1,18 @@
 alembic==1.16.4;  python_version >= '3.9'
 certifi==2025.7.14
 charset-normalizer==3.4.2
-geoalchemy2==0.17.1
+geoalchemy2===0.17.1; python_version == '3.9'
+geoalchemy2==0.18.0; python_version >= '3.10'
 google-api-core[grpc]==2.25.1
 google-auth==2.40.3
-google-cloud-bigquery==3.35.0; python_version >= '3.9'
+google-cloud-bigquery==3.35.1; python_version >= '3.9'
 google-cloud-core==2.4.3
 google-crc32c==1.7.1; python_version >= '3.9'
 google-resumable-media==2.7.2
 googleapis-common-protos==1.70.0
 greenlet==3.2.3; python_version >= '3.9'
-grpcio==1.73.1; python_version >= '3.9'
-grpcio-status==1.73.1; python_version >= '3.9'
+grpcio==1.74.0; python_version >= '3.9'
+grpcio-status==1.74.0; python_version >= '3.9'
 idna==3.10
 importlib-resources==6.5.2; python_version >= '3.9'
 mako==1.3.10; python_version >= '3.9'