Fix client full example to use basename of kms config

[rohitjangid]

Add basename function usage in the integrations client full example to reflect correct usage. This would fix the errors due to recent api changes.

Release Note Template for Downstream PRs (will be copied)

integrations: fixed example in docs to reflect usage of basename instead of full name in `cloud_kms_config` 

Fixes: hashicorp/terraform-provider-google#20385

[github-actions]

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[modular-magician]

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

Diff report

Your PR hasn't generated any diffs, but I'll let you know if a future commit does.

[ScottSuarez]

I don't believe this code is actually used anywhere. The generation produced no diff. I believe the file you intended to change is integrations_client_full.tf.tmpl

[ScottSuarez]

see comment

[modular-magician]

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

Diff report

Your PR generated some diffs in downstreams - here they are.

google provider: Diff ( 2 files changed, 6 insertions(+), 6 deletions(-))
google-beta provider: Diff ( 2 files changed, 6 insertions(+), 6 deletions(-))
Open in Cloud Shell: Diff ( 1 file changed, 3 insertions(+), 3 deletions(-))

[modular-magician]

Tests analytics

Total tests: 12
Passed tests: 11
Skipped tests: 1
Affected tests: 0

Click here to see the affected service packages

• integrations

🟢 All tests passed!

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[rohitjangid]

see comment

@ScottSuarez I have done the changes. PTAL