chore: fix release build (#700)

Author: jackwotherspoon

.github/renovate.json

@@ -6,6 +6,7 @@
   ],
   "commitMessagePrefix": "deps: ",
   "ignorePresets": [":semanticPrefixFixDepsChoreOthers"],
+  "ignorePaths": [".kokoro/requirements.txt"],
   "prConcurrentLimit": 0,
   "rebaseStalePrs": true,
   "dependencyDashboard": true,

.kokoro/release.sh

@@ -15,11 +15,8 @@
 
 set -eo pipefail
 
-# Ensure that we have the latest versions of Twine, Wheel, and Setuptools.
-python3 -m pip install --upgrade twine wheel setuptools
-
 # Start the releasetool reporter
-python3 -m pip install gcp-releasetool
+python3 -m pip install --require-hashes -r github/cloud-sql-python-connector/.kokoro/requirements.txt
 python3 -m releasetool publish-reporter-script > /tmp/publisher-script; source /tmp/publisher-script
 
 # Disable buffering, so that the logs stream through.

.kokoro/release/common.cfg

@@ -24,7 +24,7 @@ action {
 gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/trampoline"
 
 # Use the trampoline script to run in docker.
-build_file: "cloud-sql-python-connector/.kokoro/trampoline_v2.sh"
+build_file: "cloud-sql-python-connector/.kokoro/trampoline.sh"
 
 # Configure the docker image for kokoro-trampoline.
 env_vars: {

.kokoro/requirements.in

@@ -0,0 +1,10 @@
+gcp-docuploader
+gcp-releasetool>=1.10.5 # required for compatibility with cryptography>=39.x
+importlib-metadata
+typing-extensions
+twine
+wheel
+setuptools
+nox>=2022.11.21 # required to remove dependency on py
+charset-normalizer<3
+click<8.1.0