updated python versions

Author: daniel-sanche

.github/sync-repo-settings.yaml

@@ -29,15 +29,13 @@ branchProtectionRules:
   # List of required status check contexts that must pass for commits to be accepted to matching branches.
   requiredStatusCheckContexts:
     - 'Kokoro'
-    - 'Kokoro system-3.8'
+    - 'Kokoro system-3.9'
     - 'cla/google'
     - 'OwlBot Post Processor'
     - 'lint'
     - 'mypy'
     - 'docs'
     - 'docfx'
-    - 'unit-3.7'
-    - 'unit-3.8'
     - 'unit-3.9'
     - 'unit-3.10'
     - 'unit-3.11'

noxfile.py

@@ -32,7 +32,7 @@
 ISORT_VERSION = "isort==5.11.0"
 LINT_PATHS = ["docs", "google", "tests", "noxfile.py", "setup.py"]
 
-DEFAULT_PYTHON_VERSION = "3.8"
+DEFAULT_PYTHON_VERSION = "3.9"
 
 UNIT_TEST_PYTHON_VERSIONS: List[str] = [
     "3.7",
@@ -59,7 +59,7 @@
 UNIT_TEST_EXTRAS: List[str] = []
 UNIT_TEST_EXTRAS_BY_PYTHON: Dict[str, List[str]] = {}
 
-SYSTEM_TEST_PYTHON_VERSIONS: List[str] = ["3.8", "3.14"]
+SYSTEM_TEST_PYTHON_VERSIONS: List[str] = ["3.9", "3.14"]
 SYSTEM_TEST_STANDARD_DEPENDENCIES: List[str] = [
     "mock",
     "pytest",