fix(deps): update terraform googlecloudplatform/lb-http/google to v13

This MR contains the following updates:

Package	Type	Update	Change
GoogleCloudPlatform/lb-http/google (source)	module	major	12.2.0 -> 13.2.0

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Release Notes

terraform-google-modules/terraform-google-lb-http (GoogleCloudPlatform/lb-http/google)

v13.2.0

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Features

• Adding suport for PSC NEGs in terraform-google-lb-http/modules/backend (#​539) (be52b2d)

Bug Fixes

• added missing validations (#​542) (9267bb2)

v13.1.0

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Features

• Added IAP Principals terraform resource for backend-service (#​533) (ad5d851)
• per module requirements configs for lb-http (#​520) (97c69e6)

Bug Fixes

• added missing validations (#​530) (71cae26)

v13.0.1

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Bug Fixes

• fixing outputs.tf for backend for apphub check (#​525) (03d405c)

v13.0.0

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⚠️ BREAKING CHANGES

• Adding regex validation for service name and adding apphub (#​522)
• update default for cdn_policy and do not create serverless neg (#​516)

Features

• update default for cdn_policy and do not create serverless neg (#​516) (6e7e878)

Bug Fixes

• Adding regex validation for service name and adding apphub (#​522) (687152d)

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