feat: allow quota project to be passed to create_channel (#58)

* feat: allow quota project to be passed to create_channel

* chore: update test name

* chore: lint and increase auth lib version

* chore: fix lint

* Update setup.py
diff --git a/setup.py b/setup.py
index efa4a12..6e82e54 100644
--- a/setup.py
+++ b/setup.py
@@ -31,7 +31,7 @@
 dependencies = [
     "googleapis-common-protos >= 1.6.0, < 2.0dev",
     "protobuf >= 3.12.0",
-    "google-auth >= 1.18.0, < 2.0dev",
+    "google-auth >= 1.19.1, < 2.0dev",
     "requests >= 2.18.0, < 3.0.0dev",
     "setuptools >= 34.0.0",
     "six >= 1.10.0",