chore: upgrade kokoro test to use latest go version (#935)

* chore: upgrade kokoro test to use latest go version

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: aabmass

.repo-metadata.json

@@ -1,7 +1,7 @@
 {
   "name": "profiler",
   "name_pretty": "Cloud Profiler",
-  "product_documentation": "https://cloud.google.com/profiler",
+  "product_documentation": "https://cloud.google.com/profiler/docs",
   "client_documentation": "https://cloud.google.com/nodejs/docs/reference/profiler/latest",
   "issue_tracker": "https://issuetracker.google.com/savedsearches/5116474",
   "release_level": "stable",

README.md

@@ -400,7 +400,7 @@ Apache Version 2.0
 See [LICENSE](https://github.com/googleapis/cloud-profiler-nodejs/blob/main/LICENSE)
 
 [client-docs]: https://cloud.google.com/nodejs/docs/reference/profiler/latest
-[product-docs]: https://cloud.google.com/profiler
+[product-docs]: https://cloud.google.com/profiler/docs
 [shell_img]: https://gstatic.com/cloudssh/images/open-btn.png
 [projects]: https://console.cloud.google.com/project
 [billing]: https://support.google.com/cloud/answer/6293499#enable-billing

samples/README.md

@@ -65,4 +65,4 @@ __Usage:__
 
 [shell_img]: https://gstatic.com/cloudssh/images/open-btn.png
 [shell_link]: https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/cloud-profiler-nodejs&page=editor&open_in_editor=samples/README.md
-[product-docs]: https://cloud.google.com/profiler
+[product-docs]: https://cloud.google.com/profiler/docs

system-test/integration_test.sh

@@ -29,21 +29,19 @@ export GOOGLE_APPLICATION_CREDENTIALS="${SERVICE_KEY}"
 # Run test.
 cd "system-test"
 
+# Pull in newer version of Go than provided by Kokoro image
 go version
-
-# Ensure a newer version of Go is used so it is compatible with newer libraries.
-# The current Go version in the VM is 1.18.4, however we explicitly set it to
-# pin the Go dependency to v1.18.4 for consistency.
-retry curl -LO https://go.dev/dl/go1.18.4.linux-amd64.tar.gz
-sudo rm -rf /usr/local/go && tar -C /usr/local -xzf go1.18.4.linux-amd64.tar.gz
+GO_VERSION="1.22.4"
+retry curl -LO https://go.dev/dl/go${GO_VERSION}.linux-amd64.tar.gz
+sudo rm -rf /usr/local/go && tar -C /usr/local -xzf go${GO_VERSION}.linux-amd64.tar.gz
 export PATH=$PATH:/usr/local/go/bin
+go version
 
 # Initializing go modules allows our dependencies to install versions of their
 # dependencies specified by their go.mod files. This reduces the likelihood of
 # dependencies breaking this test.
-go version
 go mod init e2e
-retry go get cloud.google.com/go/profiler/proftest@HEAD
+retry go get cloud.google.com/go/profiler/proftest@main
 retry go test -c -tags=integration .
 
 if [ "$KOKORO_GITHUB_PULL_REQUEST_NUMBER" = "" ]; then