Update google_network_services_authz_extension IAP example documentation

[ericlin0101]

• Added metadata block to IAP example template
• Enabled docs and tests for IAP example in AuthzExtension.yaml

networkservices: Update google_network_services_authz_extension IAP example documentation

[github-actions]

Googlers: For automatic test runs see go/terraform-auto-test-runs.

@roaks3, a repository maintainer, has been assigned to review your changes. If you have not received review feedback within 2 business days, please leave a comment on this PR asking them to take a look.

You can help make sure that review is quick by doing a self-review and by running impacted tests locally.

[modular-magician]

Hi there, I'm the Modular magician. I've detected the following information about your changes for commit b3563ef:

Diff report

Your PR generated the following diffs in downstream repositories:

Repository	Diff Link	Changes
google provider	View Diff	2 files changed, 6 insertions(+), 1 deletion(-)
google-beta provider	View Diff	2 files changed, 6 insertions(+), 1 deletion(-)
Open in Cloud Shell	View Diff	1 file changed, 3 insertions(+)

Test report

Analytics

Total Tests	Passed	Skipped	Affected
101	95	5	1

Affected Service Packages

• networkservices

Learn how VCR tests work

---

Step 1: Replaying Mode

Action taken

Found 1 affected test(s) by replaying old test recordings. Starting RECORDING based on the most recent commit.

Click here to see the affected tests

• TestAccNetworkServicesAuthzExtension_networkServicesAuthzExtensionIapExample

View the replaying VCR build log

---

Step 2: Recording Mode

Recording Mode	Replaying Rerun	Test Name
✅ Log	✅	TestAccNetworkServicesAuthzExtension_networkServicesAuthzExtensionIapExample

🟢 All tests passed!

View the recording VCR build log or the debug logs folder for detailed results.

@ericlin0101, @roaks3 VCR tests complete for b3563ef!

[roaks3]

Thank you!