update nox config to ignore Python versions 3.8 and 3.9 (#46)

Author: lindsey-volta

google-analytics-admin/noxfile_config.py

@@ -16,7 +16,7 @@
 
 TEST_CONFIG_OVERRIDE = {
     # You can opt out from the test for specific Python versions.
-    "ignored_versions": ["2.7"],
+    "ignored_versions": ["2.7", "3.8", "3.9"],
     # An envvar key for determining the project id to use. Change it
     # to 'BUILD_SPECIFIC_GCLOUD_PROJECT' if you want to opt in using a
     # build specific Cloud project. You can also use your own string

google-analytics-data/noxfile_config.py

@@ -16,7 +16,7 @@
 
 TEST_CONFIG_OVERRIDE = {
     # You can opt out from the test for specific Python versions.
-    "ignored_versions": ["2.7"],
+    "ignored_versions": ["2.7", "3.8", "3.9"],
     # An envvar key for determining the project id to use. Change it
     # to 'BUILD_SPECIFIC_GCLOUD_PROJECT' if you want to opt in using a
     # build specific Cloud project. You can also use your own string