Update CES App resource and tests

[mp32154]

ces: added `locked`, `vpc_sc_settings`, `error_handling_settings`, and `validation_errors` fields to `google_ces_app` resource

[modular-magician]

Hi there, I'm the Modular magician. I've detected the following information about your changes for commit c412761:

Diff report

Your PR generated the following diffs in downstream repositories:

Repository	Diff Link	Changes
google provider	View Diff	4 files changed, 490 insertions(+)
google-beta provider	View Diff	4 files changed, 490 insertions(+)
terraform-google-conversion	View Diff	1 file changed, 158 insertions(+)

Test report

Analytics

Total Tests	Passed	Skipped	Affected
75	74	0	1

Affected Service Packages

• ces

Learn how VCR tests work

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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

• TestAccCESApp_update

View the replaying VCR build log

---

Step 2: Recording Mode

Recording Mode	Replaying Rerun	Test Name
✅ Log	✅	TestAccCESApp_update

🟢 All tests passed!

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

@mp32154 VCR tests complete for c412761!

[github-actions]

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

@SirGitsalot, 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.