chore: remove pinned Sphinx version [autoapprove] (#319)

Source-Link: https://togithub.com/googleapis/synthtool/commit/909573ce9da2819eeb835909c795d29aea5c724e
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-python:latest@sha256:ddf4551385d566771dc713090feb7b4c1164fb8a698fe52bbe7670b24236565b

packages/google-cloud-bigquery-connection/.github/.OwlBot.lock.yaml

@@ -13,5 +13,5 @@
 # limitations under the License.
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-python:latest
-  digest: sha256:2d816f26f728ac8b24248741e7d4c461c09764ef9f7be3684d557c9632e46dbd
-# created: 2023-06-28T17:03:33.371210701Z
+  digest: sha256:ddf4551385d566771dc713090feb7b4c1164fb8a698fe52bbe7670b24236565b
+# created: 2023-06-27T13:04:21.96690344Z

packages/google-cloud-bigquery-connection/.kokoro/release/common.cfg

@@ -38,12 +38,3 @@ env_vars: {
   key: "SECRET_MANAGER_KEYS"
   value: "releasetool-publish-reporter-app,releasetool-publish-reporter-googleapis-installation,releasetool-publish-reporter-pem"
 }
-
-# Store the packages we uploaded to PyPI.  That way, we have a record of exactly
-# what we published, which we can use to generate SBOMs and attestations.
-action {
-  define_artifacts {
-    regex: "github/python-bigquery-connection/**/*.tar.gz"
-    strip_prefix: "github/python-bigquery-connection"
-  }
-}

packages/google-cloud-bigquery-connection/noxfile.py

@@ -379,7 +379,6 @@ def prerelease_deps(session):
         "grpcio!=1.52.0rc1",
         "grpcio-status",
         "google-api-core",
-        "google-auth",
         "proto-plus",
         "google-cloud-testutils",
         # dependencies of google-cloud-testutils"
@@ -392,6 +391,7 @@ def prerelease_deps(session):
     # Remaining dependencies
     other_deps = [
         "requests",
+        "google-auth",
     ]
     session.install(*other_deps)