Add IAM support for google_apphub_application

[SirGitsalot]

`google_apphub_application_iam_binding`

`google_apphub_application_iam_member`

`google_apphub_application_iam_policy` 

[modular-magician]

Hi there, I'm the Modular magician. I've detected the following information about your changes for commit 2eec33d:

Diff report

Your PR generated the following diffs in downstream repositories:

Repository	Diff Link	Changes
google provider	View Diff	4 files changed, 843 insertions(+)
google-beta provider	View Diff	4 files changed, 843 insertions(+)
terraform-google-conversion	View Diff	2 files changed, 395 insertions(+)

Test report

Analytics

Total Tests	Passed	Skipped	Affected
20	17	0	3

Affected Service Packages

• apphub

Learn how VCR tests work

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Step 1: Replaying Mode

Action taken

Found 3 affected test(s) by replaying old test recordings. Starting RECORDING based on the most recent commit.

Click here to see the affected tests

• TestAccApphubApplicationIamBindingGenerated
• TestAccApphubApplicationIamMemberGenerated
• TestAccApphubApplicationIamPolicyGenerated

View the replaying VCR build log

---

Step 2: Recording Mode

Recording Mode	Replaying Rerun	Test Name
✅ Log	✅	TestAccApphubApplicationIamBindingGenerated
✅ Log	✅	TestAccApphubApplicationIamMemberGenerated
✅ Log	✅	TestAccApphubApplicationIamPolicyGenerated

🟢 All tests passed!

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

@SirGitsalot VCR tests complete for 2eec33d!